Explanation
The Omni-Channel Supervisor tab is a feature that allows managers to see which service representatives have not accepted new cases recently using the Lightning Service Console. It provides real-time data on the status, capacity, workload, and performance of agents and queues. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.omnichannel_supervisor_tab.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.omnichannel_supervisor_monitor_agents.htm&type=5