If you've already paid to e-file your return, you will be notified when the forms you're lacking are available. See the info linked below for proposed dates for federal forms availability. I don't think a refund would be an option since the forms will be forthcoming.
Forms availability table for TurboTax Individual Personal Tax Products
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It is possible the forms you need to complete your return are not available yet. It can be for the State or Federal part of your return. You will be notified once the forms are available and you will be able to submit your return.
Please see this Turbo Tax FAQ on State forms availability. https://ttlc.intuit.com/community/forms/help/state-forms-availability-table-for-turbotax-individual-personal-tax-products/00/26227
Please see this Turbo Tax FAQ on the availability of IRS forms. https://ttlc.intuit.com/community/forms/help/irs-forms-availability-table-for-turbotax-individual-personal-tax-products/00/26224