Hi @Junior, Leonaldo Barbosa Da Silva · Thank you for reaching out.
For this purpose, you need to navigate to:
Azure Active Directory > Enterprise Applications > Search with Client ID (App ID) > Properties > set User Assignment Required to YES.
Then click on Users and Groups blade > +Add user/group > Assign required set of users.
-----------------------------------------------------------------------------------------------------------
Please "Accept the answer" if the information helped you. This will help us and others in the community as well.