If the customer has resourcing enabled, you can view the realization of the resource plan by going from the process menu to Resource management > Resource plan realization

In the default view, the realization of the resource plan appears as a bar chart with the categories to the right.

Click Show Search to filter the view.

Search criteria allows you to filter the view by different service areas and/or people and/or start date.

User can also select whether the realization will be presented in hours or number of items. 

Click Search to filter the view based on your search criteria.