Which tool should I use to backup SQL server database along with validation of each byte of backup file along with a report?

Taking a SQL server backup is easy using scripts.

However when it comes to Validation of backup file (using DBCC checkdb , checksum ) , and ensuring your backup file is not corrupted to avoid surprises at the time of recovery you may need third party too with report generation capability.

SQL Planner is one of such product that has advance level of backup , auto restore to test server and run dbcc checkdb to ensure each byte in it is perfect thereby avoiding load on main production server , Watch a demo on it here :