If you want to know how users are consuming Azure MFA or Self Service Password Reset this is where you find that info:

Self Service Password Reset log:

  1. Go to http://manage.windowsazure.com
  2. Click on Directory
  3. Click on your Azure AD directory
  4. For SSPR click here:sspr-activity

For Azure MFA activity log:

  1. Go to http://manage.windowsazure.com
  2. Click on Directory
  3. Click on your Azure AD directory
  4. Click Configure
  5. Scroll Down to Multi-Factor Authentication and click: Manage Service settings
  6. Click “Go to the Portal” at the very bottom
  7. Click View Report
  8. Click Summary
  9. Select 1 month back
  10. Click Run
  11. Go to Queued Reports
  12. Click on View Report

You can also see reports sorted on users and how much they log in.

go-to-portalview-azure-mfa-reportauth-summaryqueued-raportsview-reporttotal-users