Azure Message Bus Explorer. You can analyze metrics for azure service bus, along with metrics from other azure services, by selecting metrics from the azure monitor section on the home page for your service bus namespace. When you choose azure ad, you must have sufficient rights on the data plane, by having the service bus data owner role.
Service bus explorer typically works with sas tokens. Here, you configure the sender to use azure service bus as the transport mechanism, then construct a ping instance and send it. Azure service bus is more targeted to transactional messaging, event grid is optimized for handling discrete events.