Following the documentation link below to configure the Access-Request to more than one user when the Roles are not being displayed
To request access to more than one user you need to configure the Bulk Access Request
Identity Portal 14.x
The steps below you can find in the documentation link, below some images to better understand the configuration.
Now, you need to set up the Properties for UserID and the Role name
Note that the "Server Type" must be Hidden
At this point, you need to create a Policy XPress to the Admin Task and get the UserID and "String 000" with Role name to assign the Provisioning Role to the user
Configure Bulk Access Request - 14.5
Configure Bulk Access Request - v15