You can now edit PDFs, add photos, add signatures and more within iOS 15's Files app. You can move, copy and delete PDF objects within the editing view, all right within the Documents screen. Open a PDF document. Tap Edit PDF on the top toolbar. Select the PDF you want to edit. Edit PDFs on an iPhone or iPad — Files app You can edit a PDF on your iPhone or iPad. Open a PDF file. Tap View. Tap or click on the arrow next to the PDF you want to edit. Tap the gear wheel icon. Select Edit. How to edit PDFs on iPhone and iPad — Apple Files app For PDF Editing, download the PDF file and select PDF in the file's Properties page (Settings → Documents). Tap on the PDF to open it in the Files viewer. Click on the PDF icon (it's like a drop-down button in the upper left corner) that appears on the toolbar. How to edit PDFs in iOS — PDF Expert How to edit the current PDF file If your PDF is stored outside your files apps, you can edit your current PDF file straight from iOS by choosing Edit — PDF.