If you have a pdf file you just open it in your pdf reader program like Adobe. You don't use Turbo Tax. Or are you trying to transfer or import it into Turbo Tax? Or open it? You need the .tax2022 file to open in the Desktop program.
Save the tax file from Online
https://ttlc.intuit.com/community/saving/help/how-do-i-save-my-turbotax-online-return-as-a-tax-data-...
