Can you show me my 2018 tax return?

You are posting from TurboTax Live.  You can arrange for the Live help you are paying the extra fee for with your questions from  5 a.m. to 5 p.m. Pacific time Monday - Friday.

https://ttlc.intuit.com/questions/4124827-how-do-i-connect-with-a-tax-expert-in-turbotax-live

To get a copy of your 2018 return you need to sign in to your account using the exact account and user ID you used when you prepared the return.  No one else can access your return for you,

PRINT RETURN   You need to print a copy of your return?  Sign in to your account using exactly the same account and user ID that you used to prepare your return.
On the bottom of the screen find Your tax returns & documents and click on Show.  Click on the Year and Click on Download/print return (PDF)