As with other protocols such as FC, iSCSI, NFS, NVMe_oF, and SMB, S3 requires a license to be installed before it can be used in ONTAP. You can obtain a free evaluation license on the NetApp Evaluation Central site. Note: This site requires NetApp login credentials. If you don’t have access, you can obtain a free evaluation license by opening the NetApp Support site and completing the feedback request for your system.
You probably need to contact your NetApp sales rep.
"Evaluation licenses program are only accessible for partners or resellers. Generate available temp licenses on the tool. If the license is not available on the website, contact your NetApp sales representative or channel team for your region."