The first three Microsoft Identity Manager reports available in Azure Active Directory (Azure AD) are:
Password reset Activity: Each example shows when a user has reset a password using Self-Service Password Reset (SSPR) and provides the gateways or methods used for authentication.
Password reset registration: Displays the methods used for user registration and SSPR authentication. Methods can be cell phone numbers or questions and answers.
Self-service group activity: One shows all efforts to join or remove oneself from creating a group or groups.
For the best practice of Microsoft Identity Manager reports you need to hire a Microsoft Azure expert that has passed the credentials of the Microsoft https://www.justcerts.com/microsoft/az-900-practice-questions.html with good scores. For detail about the Microsoft AZ-900 exam or Microsoft Azure Fundamentals visit the Microsoft Docs site.
https://docs.microsoft.com/en-us/learn/certifications/exams/az-900