PDF Editing Issues

Fix Adobe Acrobat Fill and Sign Stamps Not Appearing on Android

Natalie Taylor Oct 19, 2026 869 views

Question details

The user is unable to view or apply signature stamps using the Fill and Sign tool in the mobile app.

How to Fix Adobe Acrobat Fill and Sign Stamps Not Appearing on Android

Product: Adobe Acrobat
Device & OS: Android (Samsung Galaxy Fold5)
Scenario: Attempting to sign a PDF document using the Fill and Sign feature on an Android mobile device.
Observed behavior: When the Sign icon is selected, signature stamps fail to appear on the screen, even though the feature works normally on other operating systems like iOS.

Before you start

Make sure you have a stable internet connection and your Adobe account credentials ready, as you may need to sign out and log back in or reinstall the application.

Solution 1Recommended

Update the App and Check Account Sync

Updating the application and ensuring your Adobe Document Cloud account is properly synced can resolve missing signature stamp issues.

Signature stamps are tied to your Adobe account and synchronized via the cloud. Outdated app versions or authentication glitches can prevent these stamps from loading on Android devices, especially on newer models like the Galaxy Fold5.

Update Adobe Acrobat

Open the Google Play Store, search for Adobe Acrobat, and tap 'Update' to ensure you have the latest version installed.

Restart Your Device

Restart your Samsung Galaxy Fold5 to clear any temporary system or UI rendering glitches.

Verify Account Sync

Open Adobe Acrobat, tap your profile icon, sign out of your account, and sign back in. This forces the app to re-sync your cloud data, including saved signatures.

Test Fill and Sign

Open a PDF document, select the Fill and Sign tool, and check if your signature stamps are now visible.

Document Permissions: Ensure the PDF you are trying to sign does not have security restrictions preventing modifications or signatures.

Solution 2

Clear App Cache and Reinstall

If updating does not work, clearing the cache or reinstalling the app will fix corrupted local data preventing the stamps from rendering.

Seamless PDF Signing

Use WPS Office to Fill and Sign PDFs on Android

If Adobe Acrobat continues to experience glitches on your device, WPS Office offers a highly reliable, free alternative for viewing, editing, and signing PDFs directly on your Android phone or foldable device.

1. Download WPS Office: Install WPS Office for free from the Google Play Store on your Android device.
2. Open Your PDF: Launch WPS Office and open the PDF document you need to sign.
3. Access the Signature Tool: Tap the 'Tools' menu at the bottom of the screen, navigate to the 'PDF Edit' or 'Annotate' tab, and select 'PDF Signature'.
4. Create and Apply Signature: Draw your new signature or select a saved one, then tap exactly where you want to place the stamp on the document.

Flawless compatibility with all standard PDF files and Microsoft Office document formats.Intuitive and stable PDF Fill and Sign tool that works seamlessly on all Android devices.Lightweight all-in-one app replacing the need for separate Word, Excel, PowerPoint, and PDF readers.

microsoft office alternative - wps office

Frequently Asked Questions

Why did my saved signatures disappear in the mobile PDF app?

Saved signatures are typically synchronized with your cloud account. If they disappear, it usually means you have been signed out, there is a network sync delay, or the app cache has been cleared unexpectedly.

Can I use WPS Office to sign PDFs on a Samsung Galaxy Fold?

Yes, WPS Office is fully optimized for Android devices, including foldable screens like the Samsung Galaxy Fold series, allowing you to easily view, edit, and sign PDFs without UI clipping issues.

Does clearing the app cache delete my saved PDF files?

No, clearing the app cache via Android Settings only removes temporary files used to run the app faster. Your downloaded PDFs and account data will remain safe. However, clearing 'App Data' will remove local unbacked files, so always sync to the cloud first.

PDF Troubleshooting