Try Foxit Reader 4.3, which allows you to add text to any PDF. After installing the program, simply open your PDF in Foxit instead of Adobe Reader, then click Comments, Typewriter Tools, Typewriter ...

The other day I received a lengthy contract via e-mail. The document, delivered in business-ubiquitous PDF, was essentially one long form that needed to be filled out. (Or is that filled in? Oh, ...