Why Can't I Click the Start Verification Button in Facebook Business Manager?

The start verification button only appears when Facebook Business Manager is invited to invite or apply a feature that need requires verification. For this, you will need to receive an invite from Qiscus in order to start business verification.

To start this process, you must fill in the form provided and Qiscus will invite your Facebook Business Manager ID for you to accept, then click the Start Verification button to start business verification.

For detail information, you can refer to these link:

https://www.facebook.com/business/help/1095661473946872?id=180505742745347