Yes

How does it work with the client? Do you have an article with instructions? Thank you

That's not for the client, it's for Intuit to access the return you have problems with.

You may like to refer to this discussion if what you want to do is to send the return to your client for review: https://proconnect.intuit.com/community/proconnect-tax-discussions/discussion/re-how-do-i-provide-a-...