If an accountant was used to complete and file your 2019 tax return, it would not be available on TurboTax. You will have to get a copy from the accountant.
Unless you used one of the TurboTax Live editions in 2019 and had a TurboTax CPA complete and file your tax return for you, then -
To access your prior year online tax returns sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/
Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show. Click on the Year and Click on Download/print return (PDF)
Or go to this IRS website for free federal tax return transcripts - https://www.irs.gov/individuals/get-transcript
For a fee of $43 you can get a complete federal tax return from the IRS by completing Form 4506 - http://www.irs.gov/pub/irs-pdf/f4506.pdf
