Here’s how the process looks on iPhone (same on iPad): If you add a blank page, need to fill out a form, or more you can use the Markup tools.

Now you can rotate, insert blank or pages from files, scan in new pages, or delete pages.Press and hold on a page or tap a page twice to open the edit menu.From the left edge of your iPhone swipe to the right to see the thumbnail page view, should show up automatically on iPad.Running iOS 15, open the Files app and open a PDF.How to edit PDFs with iPhone and iPad in iOS 15 Files app Now iOS 15/iPadOS 15 bring the convenient functionality to quickly edit PDFs on iPhone and iPad with just a couple of taps. Up until iOS 14, the Files app has offered the ability to view, markup, and share PDFs but hasn’t allowed the option to more fully edit PDFs directly on iPhone and iPad like you can with third-party apps. Follow along for a look at how to edit PDFs on iPhone and iPad, including the option to rotate, insert, scan, remove pages, and more. One under-the-radar feature that comes with iOS 15 and iPadOS 15 is found in the Files app.

Rotate 1 page in adobe acrobat x1 pro