PlanetScale Managed is a single-tenancy deployment option for AWS and GCP users, offering a fully managed database solution with benefits including private database connectivity, sharding, HIPAA compliance options, PCI compliance, additional support options, and deployment to multiple regions. PlanetScale Managed is available as a packaged data plane on Vitess and Kubernetes, deployed to an owned sub-account, allowing users to interact with their databases through the same API and web interface as the hosted product.