We recommend you use specific names for labels to take full advantage of the tools we've created.
To add those labels, we recommend using the Documate online free PDF editor. It can do everything that AssemblyLine makes use of as far as PDF labels and fields go. Documate has a page that talks about its PDF editor.
Watch a 2 minute video segment on how to edit a PDF with Documate's editor.
If you have a Google, Adobe, Facebook, or Apple account, or if you're willing to make a new account, Adobe will let you delete PDF pages for free online. All your fields will be left alone. The documents will be saved in your account.
If the form was created in Adobe Live Cycle, you will not be able to add form fields that are compatible with Docassemble. A simple workaround is to print the file to PDF. There is a built-in PDF driver in Chrome and in Windows 10, and one also comes with Mac OS X and with Microsoft Office.
You cannot use the Adobe print driver to print a Live Cycle form to PDF. It must be a third-party driver. A commercial freeware option is BullZip PDF.
A GPL-licensed alternative is GhostScript.
If you run into a problem with the PDF, the PDF might be corrupted in some way. This happens infrequently but often enough to be troublesome.
Two methods you might try: