The following table lists required permissions for user accounts to back up and restore Microsoft SQL Server data.
Required Roles and Permissions
For more information, see the Required Permissions section of the Veeam Backup & Replication User Guide.
Restore, Instant Recovery
The account being used must be a member of the Local Administrator group and must be granted the sysadmin role on a target Microsoft SQL Server. For more information about Microsoft SQL Server roles, see this Microsoft article.