A multinational company needs to manage policies and compliance across several Azure subscriptions from a single location. Which service should they use?

Azure Policy is the correct choice because it allows organizations to create, assign, and manage policies that enforce rules and effects over resources to ensure compliance with corporate standards and service level agreements. This enables centralized management of compliance across multiple subscriptions. Azure Monitor is for collecting, analyzing, and acting on telemetry data. Azure Blueprints define a repeatable set of Azure resources that implement and adhere to standards, patterns, and requirements, but Azure Policy is the core service for ongoing compliance enforcement. Azure Advisor provides recommendations for optimizing Azure resources.