no, most of sfv parry, counter moves and most armor moves have at the very least 2-3 frames of start up
if you want to test just use some sort of meaty setup against the move in question in training mode and if you can crush counter it, then the parry/counter/armor does not activate on frame 1
if you want to test just use some sort of meaty setup against the move in question in training mode and if you can crush counter it, then the parry/counter/armor does not activate on frame 1