You can (and should) preview your return. To preview your Online return, go to My Account at the top. Then Tools, then View Tax summary. Then you can click on Preview My 1040 at the top. OR click Review near the top of your screen, and then click Summary right below it. Then Near the bottom of the We Guarantee Your Maximum Refund screen, click the Preview Return link.
If you want to see all the forms, schedules and worksheets you have to pay any fees first. https://ttlc.intuit.com/questions/1901539-how-do-i-preview-my-turbotax-online-return-b