You can always preview Form 1040 or Schedules 1,2 or 3 with online. In order to see other forms or schedules before you file, you have to pay your TurboTax fees.
PREVIEW 1040
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/preview-turbotax-online-retur...
https://ttlc.intuit.com/community/printing/help/can-i-print-a-copy-of-my-turbotax-online-return-befo...
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