You can search and replace text, check for language errors, change the font, fill forms, insert URLs, etc. You also get to reorganize the pages as needed, as you’d expect. Foxit PDF Editor ...

give Foxit’s PDF Editor a try. This handy little program lets you edit PDF files, adding andremoving pages and elements, and tweaking text. It also does adecent job at creating and editing graphics.

In PDFgear, open the first file and click on Page tab. Then select Insert Pages > Insert PDF (you can also choose ... Neither Adobe, Foxit, PDFgear, Microsoft Edge, nor Firefox can handle it.

New Offerings Combine Cutting-Edge PDF ... The new Foxit PDF Editor plan offers advanced PDF editing features such as reflow editing, automatic bookmarking from text, the ability to add U3D ...

In other words, Adobe Reader won't let you add text. What you need is a program that's a little more accommodating, PDF-wise. Try Foxit Reader 4.3, which allows you to add text to any PDF.