When you open a job from the Jobs workspace, the Tasks tab lists any tasks that have been created for any documents or emails that are associated with the job. Refer to Opening a Job from the Jobs Workspace.
You can also display the Tasks for a job from the Job Drawer. Refer to Displaying and Maintaining Jobs.
To add a task for a Job, from the Job Drawer, open the Task section and click the Add Task button to add a new task to the job. Enter the task details, Refer to Creating a Task.