Fix PDF Locked for Editing in Acrobat on Android
Question details
The user is unable to edit or add comments to a specific PDF file using Adobe Acrobat on an Android device because a lock icon appears, even though the file can be highlighted on a computer or in other PDF readers.
- Product
- Adobe Acrobat
- Device & OS
- Android
- Scenario
- Attempting to edit, highlight, or comment on a PDF document on a mobile device.
- Observed behavior
- Adobe Acrobat displays a lock icon and restricts all editing and commenting features on Android, strictly enforcing the document's security settings.
Ensure you have access to a computer with a desktop PDF reader installed, as checking detailed document security permissions is much easier on a PC than on a mobile device.
Check PDF Security Properties on a Computer
Verify if the document creator has applied password or certificate security that restricts editing and commenting on mobile devices.
Adobe Acrobat strictly enforces document security settings on mobile devices. Even if other third-party PDF readers temporarily allow highlighting or bypass certain checks, Acrobat will lock the file on Android if commenting is restricted by the author's security policy.
Launch Adobe Acrobat Reader or your preferred desktop PDF reader on your computer and open the affected PDF file.
Navigate to the top menu, click on "File", and select "Properties" from the drop-down list.
Switch to the "Security" tab in the Document Properties window to view the applied restrictions.
Look at the "Document Restrictions Summary" and check if "Commenting" or "Changing the Document" is marked as "Not Allowed".
If the permissions are restricted, you must contact the document creator to request an unlocked version of the file or the permissions password.
Edit and Annotate PDFs Seamlessly with WPS Office
Experience a lightweight, fully-featured PDF editor on your Android device and PC. WPS Office allows you to easily view, comment, and manage PDF documents without the hassle of restrictive mobile interfaces, fully supporting standard PDF formats.
- 1. Install WPS Office: Download and install WPS Office from the Google Play Store or the official WPS website.
- 2. Open Your PDF: Launch the WPS Office app on your Android device, tap the '+' icon or navigate to 'Files' to open your PDF document.
- 3. Access PDF Tools: Tap 'Tools' at the bottom of the screen and select the 'Annotation' or 'Edit' tab to start highlighting, typing, and commenting.
- 4. Save and Sync: Save your annotated PDF directly to your device storage or sync it via WPS Cloud for immediate access on your computer.
Frequently Asked Questions
Why can I highlight the PDF in other apps but not in Adobe Acrobat on Android?
Different PDF reader applications handle security policies differently. Adobe Acrobat strictly enforces the creator's certificate or password restrictions across all its platforms, especially on its mobile app, leading to a locked file even if a third-party app ignores the restriction and allows basic highlighting.
Can I remove the lock icon without the original password?
No. If the document creator applied a permissions password to restrict commenting and editing, you must enter that specific password to unlock the features. Official PDF readers do not support bypassing document security.
How do I unlock the PDF if I am the document owner?
Open the PDF in a desktop PDF editor, navigate to File > Properties > Security, and change the Security Method to 'No Security'. You will need to enter the permissions password one last time to confirm the removal, after which you can save the unlocked file.
Does a locked PDF prevent printing as well?
It depends on the specific permissions set by the creator. In the Document Properties' Security tab, you can check if 'Printing' is allowed or restricted, as this is managed separately from editing and commenting permissions.
