Yes, Beuchat foot-pockets are the same for all their freediving fins - also for the fiberglass (they are
beautiful!) and the carbons (very
nice and well made too, though quite expensive), so you'll be able to change the blades as you need. Just blades from other manufacturers won't fit easily in Beuchat pockets unless you ask them for it. Mostly you'll be able to adjust them or glue the blades in, but if you want to keep easy exchangeability, you better ask for Beuchat compatible blades
