Within the Kyma environment, Service Management allows you to connect SAP BTP services to your cluster and manage these by using the SAP BTP Service Operators. The SAP BTP Service Operators consist of different resources, required for the provisioning of third-party-services in Kubernetes clusters. These resources can be controllers, Custom Resource Definitions, and others. For Kyma, the Service Operators are used.
As stated above, when working within the SAP BTP, Kyma runtime, you can use the Service Operator of the SAP BTP (which is based on the Kubernetes Operator pattern) with your Kubernetes cluster by utilizing Kubernetes-native tools. You can consume and manage SAP BTP services, which can be explored in the SAP Discovery Center, through the SAP BTP Service Operator on your SAP BTP subaccount.

Only subscribed services can be used on the respective SAP BTP subaccount and thus, only those can be used by Kyma.