Cannot sign my pdf

hi, you may need to reset the iphone maybe something is wrong with the function apart of the app. reset by turning your iphone on and off. or for a hard reset which does fix everything on the iphone is to hold on down on the side buttons https://support.apple.com/en-ca/guide/iphone/iph8903c3ee6/ios it does not remove filies it fixes the files for better working on the iphone or any apple device. adobe like any application can have different error messages. you may have to delete the application and re install it for it to work again. https://helpx.adobe.com/ca/support.html connect adobe support for help!