Available with Business Analyst license.
Allows you to control the territory levels shown with internal boundaries in ArcMap. An example would be if you have two territories created from a set of 30 ZIP Codes, the ZIP Code boundaries are displayed within each territory.
When a territory is created, the alignment layer boundary files are dissolved to form a contiguous territory polygon. Displaying the boundaries can be helpful if you want to show the total boundaries within each territory or the size distribution of the boundaries.