Can have the following reports

1)fragmentation level of the indexes in all the databases in all the servers .It can be tabular format with each of the current information as column and all servers and its info as row

2) Server summary for all the servers (in a table format )

3) Replication status of all the servers in the estate

4) Permission of users in dbs in all the SQL Instance

5) To see the compliance level based on a CU or patch for all the servers . It is more like I can choose a CU or patch and based on it the status of all the SQL servers in the estate