Please follow the steps from the following online help documentation:
https://support.quest.com/technical-documents/on-demand-global-settings/current/user-guide/8#TOPIC-1422394
Access Control: Users
To add a user:
1) In the side navigation panel, expand the Access Control item and select Entra Users.
2) In the User Name field, enter the email address of the user you want to add.
The username must use the email address format @.
3) In the Assigned Role field, enter the role name. An auto-complete list offers suggestions based on your input.
4) Select a role to enable the Add button.
5) Click Add.
