We have row level security enabled on a number of tables that limits records returned based on the user ID that works in conjunction with reporting services. If we use the data gateway will it impersonate the logged in use or inherity the authority of the service account?
Obvioulsy since we have go to the trouble of securing the table if the gateway doesn't adhere the the security it we will need to put effort into recreate it for reports that are published with Power BI.