How to Transfer 2020 TaxAct PDF File?

I switched from TaxAct to TurboTax for my 2021 tax filing. I'm using the Premier desktop application on Windows.

 

When I started a new return, I transferred in my tax PDF from last year. It worked partially. It loaded only basic information like names, dependents, and AGI. But what I really need is for it to load Schedule E which contains information on rental property income. It didn't seem to import anything in any of the Schedules - just the main form / first page. I've also tried importing the PDF into the online version as a test and it didn't seem to do any better.

 

I'm trying to avoid excessive typing and TurboTax should be able to import from last year's return. I was thinking if I could somehow convert the TaxAct PDF into something more amenable to TurboTax, like a TXF format, that might help? Or modify it in some way?

I've also tried calling support. Went over the problem for a few hours without any luck.