Please show me how to know the map document for the service and how to update the service after modifying the map document. I edited the map document that was used to create the service and refreshed the service but don't see the changes. Thank you
When you modify the MXD document, you will have to use the Share as Service option:
You will have to choose overwrite and existing service and that is basically it. It will take the definition (settings) of the existing service and after publishing the new layer will be present in the service.