Which AWS service or resource will meet this requirement?

Explanations:

S3 Multi-Region Access Points is a feature that enables users to access data in S3 buckets across multiple AWS regions through a single endpoint. It does not provide capabilities for reviewing bucket ACLs or bucket policies.

S3 Storage Lens is a tool for gaining visibility into object storage usage and activity trends across multiple accounts and regions. While it provides storage metrics and insights, it does not specifically focus on ACLs or bucket policies.

AWS IAM Identity Center (AWS Single Sign-On) is a service for managing user identities and permissions across AWS accounts and applications. It does not provide functionalities for reviewing S3 bucket ACLs or policies directly.

Access Analyzer for S3 helps identify and review the access policies and permissions associated with S3 buckets, including both ACLs and bucket policies. It is specifically designed to assist in understanding access configurations and potential security risks related to S3 resources.