You can view who has remaining availability, or who is on the "bench" using either the People Planner or the People Explorer Report.
People Planner
To view who's available for work on the People Planner:
Determine the period you are interested in (Month, Quarter, Half, Year) Please note that the availability sort is based on what is on the screen - so for "Month" - it will actually be 5 weeks.
Navigate using the arrows to determine the correct date period.
Add a filter or view if needed.
Choose a Unit of Summary- either Available hours per week, Available FTE or Utilization %.
Optional: Add a grouping like Team or Role
6. Sort by Availability.
Important: Remember to click on the refresh icon next to Availability if you have made any changes to the time period or the filters.
Report
In reports, you can pull this information using the "Remaining Availability" metric and utilization using the Utilization Preset.
Check out the example here to learn more.