The Workflow tab in Process Manager gives you access to currently-running tasks and processes. By default, you also have access to the Service Catalog.

See About the service catalog.

You can search for running tasks and processes and open them to view their process view pages or to work with them. Typically, users have permissions to view only the tasks that are assigned to them. Users with higher permissions can view their own tasks and the tasks of other users.

The Workflow tab gives you access to tasks and processes. You can access most of the functionality of the Workflow tab from the process view page.

See About the Process View page.

See Viewing a task or process in Process Manager.

On the Workflow tab you can search for tasks and processes by their ID.

See Opening a task by ID.