Adding Text Notes to a PDF Select the Text Box tool from the Drawing Markups panel. Click, or click and drag, on your document to add a box with a colored border, and type your observations in it.

What is tough is editing them, deleting or adding pages, filling out forms, and so on. Adding Text to PDF Adding Notes to PDF Managing Pages of the PDF file PDF Document Security Ashampoo PDF Free ...

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.