Explanation
Azure RBAC is used to manage who can create, update, or delete the Synapse workspace and its SQL pools, Apache Spark pools, and Integration runtimes.
Define and implement network security configurations for resources related to your dedicated SQL pool with Azure Policy.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/security/synapse-workspace-synapse-rbac
https://docs.microsoft.com/en-us/security/benchmark/azure/baselines/synapse-analytics-security-baseline