Editing PDF files for setups - how?

[Fiddybux]

Anybody know how I can edit a blank setup PDF, like these from here:

http://www.horizonhobby.co.uk/autoon...etupspage.html

I can't be bothered printing it off and hand-writing, plus its easier to store / share as a PDF.

Do I *really* need Adobe Acrobat Pro?

Thanks.