PDF Security & Access Issues

Why Adobe Sign Recipients Are Not Asked for a PDF Password

John WilsonJohn Wilson Nov 5, 2026 870 views

Question details

The user needs to understand why a recipient is not prompted to enter a password before viewing and signing an Adobe Sign document.

Why Adobe Sign Recipients Are Not Asked for a PDF Password
Product
PDF
Device & OS
not provided
Scenario
Sending a secure PDF agreement requiring a signature and expecting the recipient to authenticate with a password before accessing it.
Observed behavior
The recipient is able to open and sign the document without being prompted for the standard PDF document-open or permissions password.
Before you start

Verify whether your goal is to protect the final signed document from unauthorized viewing or to authenticate the identity of the signer before they can access the agreement.

Solution 1Recommended

Configure a Signer Authentication Password in Agreement Settings

Set up a specific authentication password to require recipients to verify their identity before they can open and sign the document.

A standard PDF document-open or permissions password typically applies only after the signed PDF is finalized and returned. To protect the document during the active signing process, you must configure the signer authentication settings natively within the signing platform.

1
Start a new agreement

Log in to your Adobe Sign account and initiate a new agreement by clicking 'Send' or 'Request e-signatures'.

2
Add recipient details

Enter the recipient's email address in the designated field within the 'Recipients' section.

3
Change authentication method

Click the authentication dropdown menu (which usually defaults to 'Email') located next to the recipient's email address.

4
Select Password authentication

Choose 'Password' from the list of authentication options.

5
Set the password

Enter a secure password, confirm it, and complete the rest of the agreement details before sending. The recipient will now be forced to enter this password to view and sign.

Configure a Signer Authentication Password in Agreement Settings
Secure Password Sharing: Do not include the authentication password in the email invitation. Communicate it to the recipient through a separate, secure channel such as a text message or phone call.

Secure and Sign PDFs Locally with WPS Office

If you need a straightforward way to add document-open passwords and digital signatures to your PDFs without relying on complex cloud platforms, WPS Office provides robust, built-in PDF encryption and signing tools.

  1. 1. Open the PDF in WPS Office: Launch WPS Office and open the PDF document you want to secure and sign.
  2. 2. Access the Protect tab: Navigate to the 'Protect' tab on the top ribbon and click on the 'Encrypt' button.
  3. 3. Set an open password: Check the box for 'Set Open Password', type your desired secure password, and click 'Confirm'.
  4. 4. Add a digital signature: Switch to the 'Insert' or 'Protect' tab, click on 'Sign', and create or insert your signature onto the document.
  5. 5. Save the document: Save your PDF file to apply the encryption and embed your signature securely.
Free, lightweight, and user-friendly PDF reader and editor.Securely apply local document-open and permission passwords.Highly compatible with standard Adobe PDF formats.Built-in PDF signature tools for quick and easy local signing.
microsoft office alternative - wps office

Frequently Asked Questions

Why does my PDF only ask for a password after it has been signed?

Standard PDF security settings, like document-open passwords, are often applied to the final compiled document. During the cloud signing process, the e-signature platform manages access, and the final encrypted file is generated only once all parties have completed signing.

Can I remove a password from a signed PDF?

Generally, signed PDFs are cryptographically locked to prevent tampering and preserve the integrity of the signatures. Removing the password or attempting to edit the document will usually invalidate the digital signature.

What happens if the recipient forgets the signer authentication password?

If the recipient loses or forgets the password required to open the agreement, the sender will typically need to cancel the current agreement and send a new one, or update the authentication method in the agreement's manage settings.