"Accepted" does not mean the same thing as "approved." You have to wait for the IRS to approve your refund.
https://ttlc.intuit.com/questions/2840013-does-accepted-mean-my-refund-is-approved
If the IRS wants more information from YOU they will send you a letter that requests that information. And you should respond to the letter promptly. If they are just still processing your return, you need to wait...
Where are you seeing that the IRS wants more information?
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**