"policy matters" means that decisions and rules put in place by the government or organizations are important and have an impact on people's lives. Full definition
A number of important public policy matters have yet to be addressed, including the future of rent regulations and a tax exemption program for new residential developments. (nytimes.com)
Whether or not scientists should speak out on policy matters related to their fields continues to be controversial. (yaleclimateconnections.org)
This is a very important policy matter that you need to be sure you have. (rentersinsurance.net)