

Adobe Reader must have the Reader version 8.0 or later.Adobe Reader users cannot fill or save the form.If the PDF/A is used, then you need to re-create the PDF to allow PDF reader editing.(In the Navigation pane, you need to check for the Standards panel.) Make sure that the PDF/ A standard was not used to create a file.Make sure the security settings allow form filling.

This is available in the upper-right corner of the form.
