when a client returns a completed fillable form the fields appear to be blank. When clicking on a field i can see that response, but only 1 field at a time if i click on them Why does this happen? How can it be solved?
Check this:
http://blogs.adobe.com/pdfdevjunkie/2009/11/script_to_fix_mac_osx_prev iewa.html
If the user fills out the form using Preview on a Mac (instead of Acrobat/Reader), I believe it will exhibit the symptoms you describe. The following thread is where I got that link (GKeiseril posted it in the 4th message) although it may not have been the issue for the poster who started that discussion:
North America
Europe, Middle East and Africa
Asia Pacific