Amazon S3 on Outposts now supports Access Point aliases to simplify application access to data. Beginning today, you can configure applications to use the Access Point alias in place of the Amazon Resource Name (ARN) when accessing S3 on Outposts buckets. With Access Points, you can create hundreds of unique policies to control access to shared datasets, and applications can access S3 on Outposts buckets by utilizing this alias. Amazon S3 on Outposts Access Point aliases are now available in all AWS Regions where AWS Outposts are available at no additional cost.
Source:: Amazon AWS