SQL Server 2022 CAL's are available per user (User) or per device (Device). User CAL's are the most cost-effective and easiest option when you work with multiple devices. Device CAL's are the most cost-effective and easiest option when multiple users work with the same device.You can also use SQL Server 2022 CAL's with any previous version of SQL Server, but they are not required if you purchase SQL Server Core licenses.SQL Server 2022 CAL's are available per user (User) or per device (Device). User CAL's are the most cost-effective and easiest option when you work with multiple devices. Device CAL's are the most cost-effective and easiest option when multiple users work with the same device.