Remove a recently viewed file
Go to Acrobat on Android and locate your file under the Recent tab.
Next to the file, select More options> Remove from recent from the menu.
In the dialog box, select Remove File to confirm the action.
Clear the Recent list
Go to Acrobat on Android and ensure you’re on the Recent tab.
Select More optionsfrom above the files list.
Select Clear recent from the dialog box.
In the dialog box, select Clear to confirm the action.