The Max Datarate setting allowed by ADR, will be the datarate needed for power to be reduced. If Max Datarate is set to DR6:SF7BW250 then yes.
If Max Datarate is set to DR4:SF8BW125, then the ADR will set DR4 and then reduce power on additional ADR commands.
On Conduit AEP see LoRaWAN > Network Settings > Max Datarate