There can be multiple reasons for the rejection of your Facebook Business Manager Verification. The Facebook team sends you the reason for rejection and how those can be rectified.
You will have to apply for the Business verification again for your Facebook Business Manager.
Please make sure the product name on the website, Facebook Business Account name, email domain, and Legal business name, they should be in sync.
Also, the information on the documents would be exactly the same as you are submitting on your Facebook Business Manager.