Refund Processing, to pay for Turbo Tax fees out of the refund, will become available when all the forms are ready to be filed. Some federal forms do not yet have the IRS final draft available and then states do not finalize some of their forms until the federal ones are ready.
Please click on the REVIEW tab to see any forms that are waiting and an estimate of when they will be ready . Then, the Filing section will have the option to pay for Turbo Tax fees out of your federal refund.
Below is a list of federal form availability dates