a: how do I disable System-Reports ? For legal reasons we want to disable (better: delete) certain reports, especially those which show data about people (ie technicians and their workload). May sound strange, but thats life.
Otherwise:
b: If we have reports A B C and we only want person A see report A and B-B and C-C and so on: how do I create such a role? Or can I create reports for groups?