If the Tasks link is not present on the Workflow Status Bar, you can choose Add Task... to make it appear.

The link will only be available on pages which don't yet have a workflow, or when the workflow is in a "taskable" state.

Tasks Popup

Once clicked, the Tasks link will appear on the status bar, from which you can access the Tasks Popup:

From here you can:

See also

Reporting Guide:

Workflow Authoring Guide: