You can run replication and backups on the same database. Both publications and subscriptions can be backed up You likely don't need a backup up of the subscription database unless it contains objects that are not on the publication database. Backups are essential for disaster recovery. Backups also help limit the database log file size. Without transaction log backups, FULL recovery model database logs will continue to grow and can become very large.

You can run replication and backups on the same database. Both publications and subscriptions can be backed up You likely don't need a backup up of the subscription database unless it contains objects that are not on the publication database. Backups are essential for disaster recovery. Backups also help limit the database log file size. Without transaction log backups, FULL recovery model database logs will continue to grow and can become very large.