A commandline-exe for your pdf-files... Royalty free! For all pdf-specs! With this exe you can get the complete text-content out of your pdf-files. To do this you can use two ways: As an automated text-export into a generated file and as clipboard-content. You can use it with all scripting (bat) and programming languages. Please try it before you buy.
With your app the exe can be distributed without paying anymore... It's royalty free! Buy the exe one time and distribute it as often as you want.
OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.