Sign in to Azure Portal
To sign in, go to https://portal.azure.com and log in with your AzureAD account: AzureAD@Mavimxxx.onmicrosoft.com. (Replace xxx with your company name). 
Enter your password.
Manage users
In the menu, select Microsoft Entra ID, 
then choose Users. You will see a list of all users who can log in to the portal https://xxx.mavimcloud.com/.
Reset a password
To reset a password, select a user from the list and choose Password reset. Confirm the change.
Add new users
To add new users, you can select either Create new user or Invite external user.
If you choose Invite external user, invite the person using their existing account. They will receive an email invitation and, once accepted, they can log in to the portal with their own email address.
If you choose Create new user, you can manually create an account and password. Use the domain @xxx.onmicrosoft.com. Provide the new credentials to the user.
Important notes: Keep in mind the difference between internal accounts (@xxx.onmicrosoft.com) and guest accounts. Always inform new users of their login details or invitation.