PDF Compiler
How do I compile numerous files into a single PDF with the iPad? I'm looking to be able to mark-up the file once multiple PDFs have been compiled into a single one.
iPad Pro 11-inch Wi-Fi, Cellular
It is very easy to merge multiple files, such as PDF, directly from the native Files App. To save typing, here is simple description of the process:
https://www.macobserver.com/tips/how-to/merge-pdfs-ios-files/
