Hi Yatharth, I recreated the pdf file using Windows on a laptop and emailed it to the iPad. When I open the newer version the edit function responds as it should. it's a big file so printing it as you suggested was not feasible. many thanks for the help. I guess that the previous working copy of the file had become somehow corrupted. ... View more

Thanks for the quick response Yatharth, but the files are saved locally. The problem is not happening with all my files: I can see the edits I make to other PDFs. If it is a question of which application created the PDF which has the problem, I think either Word or Acrobat….however previously the edit function has worked with visibility in this same PDF…. It is my personally created pdf which is the problem! ... View more