It depends what "previous year" means. i.e., are you referring to previous calendar year or previous tax year?
If you need 2021 depreciation worksheets, that would likely involve a different avenue of approach to obtain them than would getting a PDF containing 2020 worksheets.
You should state what tax year return you are referring to, and someone should be able to give you the steps to look for the worksheet titled Depreciation Report.
Log in, scroll down and save the PDF of the 2020 return now ... it will include all of the worksheets at this time.
If you are asking aboout the 2021 tax year then if you did not save a PDF with the worksheets BEFORE you filed the return then log in and scroll down and click on ADD A STATE to open the return then use the PRINT CENTER to save a PDF with the worksheets.