If you are using TurboTax Online, there is no ability to see the actual forms while you are preparing your return. However, you can look at the Detailed Tax Summary to see the line numbers from the T1. This FAQ tells you how to do this: https://turbotax.community.intuit.ca/community/tax-return-status/help/how-can-i-see-a-detailed-summa...

When you are ready to file your return, you'll have a "Preview" button that you can click to download a PDF with the actual CRA forms that TurboTax has filled out for you. There are also other to see that PDF, which you can see in this FAQ: https://turbotax.community.intuit.ca/community/tax-return-print-save/help/in-the-online-edition-of-t...