Layer Masking settings accessed from the data frame context menu > Advanced Drawing Options are not reliable when working with the Production Mapping extension.
Last Published: May 4, 2016ArcGIS Production Mapping
Bug ID Number
February 13, 2015
June 11, 2020
ArcGIS Production Mapping
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.