A user assigned to the Switchboard may exhibit an issue where they are unable to view the agents on some Switchboard panels, as shown below.
If you are experiencing this issue the solution is to enable "Contacts" permissions for Digium Phone Apps for the extension exhibiting the issue.
If your Switchvox is hosted with VOICE1 at https://switchvoxuc.com you can open a ticket at support@voice1.me or use our API at https://api.switchvoxuc.com/redocs to set the correct permssions.