What is this Available_Without_Review?

yesterday we tried to verify FBM, where I can see verification done or not ? ( on yellow.ai) and please explain me about "Available_Without_Review "

“Available_Without_Review” means FBM has not yet verified the account. With this status, this account can be used only for testing purposes, as the messaging limit will be very low.
In the FBM account, the user can see whether the account is verified or not or is still in a review state.