The purpose of a PDF its to provide a secure document that can be viewed by anyone with a reader without having the application that created it. Therefore, PDFs are not designed to be editable. Your best bet is to go back to the original document that was used to create the PDF and edit that. If you don’t have that document, you may not have the right to edit it. You can try opening the PDF in Word, but there is no guarantee that will work.
I'll show you how you can open these files with Paperless Post Office. 1) Create a paperless office account You need to have a paperless office account if you are going to use Paperless Post Office.