There is nothing that can be done. You will need to wait for the letter from the IRS.
No----you were not "approved." Your e-file was accepted for processing, which is not the same thing.
https://ttlc.intuit.com/questions/2840013-does-accepted-mean-my-refund-is-approved
The IRS is getting more and more vigilant to prevent identity theft and fraud. Last year in 2023 they flagged over a million returns for fraud by early March. People who file very early in the season are sometimes scrutinized more. Do not take it personally. TurboTax does not get any information from the IRS after they accept your return, so no one at TT knows that your refund is delayed or why. All you can do is wait for the IRS to finish processing your return. Watch the refund site. If the IRS wants more information from you they will request it.If they want you to verify your identity, you must follow the IRS’s instructions in order to do that. In many cases they will send you a letter—and you will have to wait for that letter.