Once TR have been deployed you are committed to a landing"
AA found out first hand about this many years ago at STT...landed, boards up/reverse selected, then....boards down, reverse cancelled, go-around thrust, then...tried to stop once again.
Opps.
His a petrol station off the end of the runway and all consumed in a big ball of fire.
Poof.
Once on the deck, best to
stay on the deck...and accept the possible overrun, unpleasant as that might become.