Yes, you can review your tax return before submitting it. Simply select My Forms in the top navigation bar to access all the populated PDF forms created so far in the process of preparing your tax return.
How to access the PDF forms in your return
1) Enter your return to locate the My Forms drop-down on top right hand corner of the navigation bar
2) Select My Forms to view each individual form or schedule in the drop down
3) Selecting Form 1040, or other forms in your return, will allow you to view a PDF of the form.