How to Collect Information and Signatures on PDF Using a Phone
Question details
The user needs a method to send a PDF document from a mobile device to a recipient in order to collect required information and obtain a legally valid electronic signature.

- Product
- PDF/Adobe Acrobat Sign
- Device & OS
- not provided
- Scenario
- Sending a document for remote completion and electronic signature directly via a mobile device.
- Observed behavior
- The goal is to securely route a PDF so another party can fill out specific form fields and sign the document from their own phone or browser.
Ensure your PDF document is fully finalized and that you have the correct email address of your recipient before setting up the signature request.
Use Adobe Acrobat Sign to Request Signatures
Utilize a dedicated e-signature platform like Adobe Acrobat Sign on your mobile device to securely request information and legally valid signatures.
Dedicated electronic signature services are designed to maintain legal compliance, secure audit trails, and ensure that the document cannot be tampered with after signing. The recipient will not need to install any special software to sign.
Open the Adobe Acrobat Sign app on your phone or access it via your mobile web browser, then upload the target PDF document you wish to send.
Use the editor tools to insert necessary text fields for the information you need to collect, followed by the required electronic signature fields for the recipient.
Input the recipient's email address in the designated send field. You can also add a custom message explaining what they need to fill out.
Tap the 'Send' button. The recipient will receive an email containing a secure link, allowing them to complete and sign the document directly from their own phone or web browser.

Easily Manage and Sign PDFs on Mobile with WPS Office
WPS Office provides a powerful mobile PDF toolkit that lets you read, fill forms, add your own electronic signatures, and share documents seamlessly from your smartphone.
- 1. Open the PDF in WPS Office: Launch the WPS Office app on your phone and open the PDF document you need to prepare or sign.
- 2. Add text and form details: Navigate to the 'PDF Edit' tools to insert text boxes where information needs to be filled out.
- 3. Insert your signature: Tap on the 'Fill & Sign' or 'Signature' tool to create and place your electronic signature exactly where needed on the document.
- 4. Share with recipients: Use the 'Share' button to send the finalized or prepared document as an email attachment or via messaging apps so others can review and sign.

Frequently Asked Questions
Are electronic signatures collected on a phone legally binding?
Yes, when collected through trusted, compliant platforms (like Adobe Acrobat Sign or standard e-signature tools), electronic signatures comply with major laws such as ESIGN and eIDAS, making them legally binding.
Does the recipient need to download a specific app to sign the PDF?
No. When using a professional signature request service, the recipient typically receives a secure email link. They can open this link in any standard web browser on their mobile phone or computer to fill and sign the document without installing extra software.
How do I know when the recipient has signed the document?
Most electronic signature platforms automatically send an email notification to the sender the moment the recipient completes and signs the document. A finalized, tamper-sealed copy will also be available for download.
Can I collect both text information and signatures in the same document?
Yes, you can add custom form fields such as text boxes for names or addresses, checkboxes, and date fields alongside the signature block before you send the document out.




