Use the Sync Layer feature when you need drawings to be separated on different layers, but to have the same timing, such as with the front and back of a shirt collar. The drawing exposures of synced layers not only update automatically, but their drawing substitutions correspond as well, as long as the drawings are labeled properly.
When using certain drawing tools, such at the Select, Cutter and Reposition All Drawings tools, you can enable the Apply to Synced Drawings option while you work. To learn more about this option—see