Azure Policy initiatives are a collection of Azure policy definitions that are grouped together toward a specific goal or purpose. By consolidating multiple Azure policies into a single item, Azure Policy initiatives allow centralized control and enforcement of configurations across Azure resources.
Partners can file service requests on behalf of their partners to report disruptions services provided by Microsoft or to request other technical support that they're incapable of providing.
You can use the ProductUpgradeRequest resource to determine the status of a product upgrade for a customer to a new product family, such as from a Microsoft Azure (MS-AZR-0145P) subscription to an Azure plan.
Managed services are services to which a partner has delegated admin privileges. Partners can provide support for and file service requests on the behalf of their managed services.