The cover letter summery and thank you from Intuit TurboTax for my Federal and State tax returns did not download or print. Is there a way that I can print those?

Sign onto your online 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.

The Filing Instructions page will be included which also has the summary

Thank you!