PDFs are usually viewed in programs without PDF-editing tools. Given that fact, creating a PDF with editable fields lets you create forms that are resistant to tampering or inadvertent alteration ...

Adding text fields and other form elements to create editable PDF forms in Adobe Acrobat Professional XI is a straightforward process. These elements create an interactive document that is ...

If you need to save a filled-out PDF form so the content is no longer editable, you can do so with Preview in OS X.