You can use the Commvault software to back up and restore Amazon RDS for SQL Server.
The Amazon Relational Database Service (RDS) provides configuration and scaling resources to host relational databases in the Amazon Web Services (AWS) cloud.
Backups
Backups You Can Perform
Full backups
Differential backups
When You Can Perform Backups
On a schedule: The server plan that you assign manages scheduled backups
On demand: You can perform on-demand backups at any time
Restores
Backups You Can Use for Restores
The most recent backup: For example, restore the most recent backup to its original location
A backup from a specific date: For example, restore data to a point in time before it became unusable
Backups from a date range: For example, restore data that was accidentally deleted
Destinations You Can Restore To
To a different Amazon RDS for SQL Server instance
From an on-premises SQL Server instance to an Amazon RDS for SQL Server instance
From an Amazon RDS for SQL Server instance to an on-premises SQL Server instance