Yes, the IRS sends it to the Santa Barbara Tax Products Group (SBTPG, formerly SBBT), then SBTPG takes out the TurboTax fees and sends the difference to you. For questions about how long it takes and other questions about your refund, you can go to the Santa Barbara Tax Products Group website.
Please see this TurboTax FAQ, Who provides Pay With My Refund? - TurboTax
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