The SLA states For each Protected Instance configured for Azure-to-Azure Failover, we guarantee a two-hour Recovery Time Objective
I then read something contradictory on a Microsoft blog - From a design perspective it is nearly impossible to guarantee specific RPOs and RTOs for these type of solutions because many variables are outside of your control..When designing for RTO it is important to understand the variables that are not always in your control. For example, if someone initiates a restore, the time it takes to be back up and running is dependent on variables like the size of the restore, available network bandwidth, speed of the disk drives/VMs, etc.
Can any service (not just ASR) guarantee specific RPOs and RTOs?
For the supported configurations mentioned in the link ,ASR guarantees 2 hour recovery. However, there are some limitations where specified SLA is not applicable.Here are the limitations .