Ricky -   The following link has a great synopsis of applying conditional grants using groups assigned to the LASR tables with conditional grant read permissions.  You could also apply at user level if you wish, but groups are often better.     http://support.sas.com/resources/papers/proceedings15/SAS1779-2015.pdf   To apply to large numbers of users or groups, see the section about the use of set-metadata-access batch tool that you can incorporate into a data transformation job that ingests your authorization information to generate a set of batch script commands.   If you apply the grants with these approaches, the ability to read rows is independent of any actions performed on the underlying data, including report parameters.  We have implemented this solution with great success with other SAS education customers. ... View more