You are asking from TT Live, for which you pay extra. Please contact a rep.
https://ttlc.intuit.com/questions/4124827-how-do-i-connect-with-a-tax-expert-in-turbotax-live
Live help is available M-F during normal business hours after tax season.

probably, I don't think Turbotax will be able to answer about the upload.   but it will likely do you no good if you use Turbotax for 2021. it will not be able to import the data from a return prepared using other software.