The Signatures view of Job Manager displays information about input files, pages (input files that have been processed), and imposition plans.
Use this view to:

This view is similar to the Pages view, except that you can see a job as a layout rather than in reader order.

Panes in Signatures view

The Signatures view has three panes, each with their own buttons and columns.

Note: The columns you see depend on the columns you display or hide.