Use the Android version of MuPDF. It is available on F-Droid.
I tried the file from the first link you posted. I can't get it to work with
Evince, either.
I just tried it at the office on my work PC, and I *am* able to get it to
work with Adobe Acrobat. I wonder if the interactive form in the file uses a
proprietary extension of the PDF format?
Someone sent me the following PDFs to help me with learning how to
budget my money.
https://www.consumer.gov/content/make-budget-worksheet
https://www.moneyunder30.com/really-simple-budget-worksheet.
It acts as though it will calculate the numbers for you, like in a
spreadsheet, but the
