Once you have created users, add them to your .global and organizational roles.
To applying an existing role to all members of an organization:
In the BCC, navigate to Personalization > Internal Users. In the Show dropdown, choose Organizations.
Select an organization and click the Auto-Applied Roles tab in the right-hand pane.
Click Add Existing.
In the popup that appears, choose the role you want to add and click OK.
The role appears in the Auto-Applied Roles list.
At the bottom of the Auto-Applied Roles tab, click Save to save your changes. The role will appear in the Effective Principals list of all users in that organization.
To add a role to a specific user:
In the BCC, navigate to Personalization > Internal Users. In the Show dropdown, choose Users.
Select the user you wish to modify and click the Orgs & Roles tab in the right-hand pane. In the Roles area, click Add Existing.
In the popup that appears, choose the role you want to add and click OK. The role appears in the Roles list of the user.
In the Orgs & Roles tab, click Save to save your changes. The role will appear in the Roles list and the Effective Principals list for the user.