How do I look at all the “employers” I’ve entered on my tax file?

There will be Wage and Income Worksheets for each W-2 that you entered when you download the PDF of your tax return using Print Center.  Assuming that you have already filed your 2020 tax return using the online editions.

To access your current or prior year online tax returns sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/

When you sign onto your online account and land on the Tax Home web page, scroll down and click on Add a state. 

This will take you back to the 2020 online tax return.

Click on Tax Tools on the left side of the online program screen.  Then click on Print Center.  Then click on Print, save or preview this year's return.  Choose the option Include government and TurboTax worksheets