Many administrators are already restoring a backup to the subscriber to ensure that the non-replicated objects and user permissions are in place. The next logical step in the evolution of replication was to make better use of the backups that were already being applied to the subscribers.
There are perceived limitations and restrictions that would unnecessarily prevent administrators from implementing initialization from backup for transactional replication. However all of these limitations are easy to handle with initialization from backup.
This whitepaper provides clear guidance on the perceived limitations and restrictions on initializing transactional replication subscribers from a backup.