A free PDF viewer that can easily add comments / text / images as PDF files to annotate "PDF-XChange Viewer"is. The operation is fast, the tab function is installed, OCR analysis is also possible, and ...

This well-designed and easy-to-use free PDF viewer lets you mark up and create PDFs. Adobe’s popular PDF format makes files look great and Adobe’s free Reader lets everyone look at the files for free.

A month or so back I was searching for a PDF app that would use the native Files browser on the iPad, but add features not available in Files app’s built-in PDF viewer. The result of that search was ...