I have used my wok on my quest traveller grill unit that is similar to the cadac, think it would depend on how big the grill and wok are as you dont want the heat burning the handle
if you fancy pizzas on the cadac, get a pizza stone - doesnt need to be a cadac one !
we buy simple UNFROZEN pizzas from aldi/lidls and add our own toppings from whatever we have in the fridge or open. dont forget to lightly flour the stone before cooking the pizza (to avoid sticking)
pizza base is lovely and crispy - no soggy bottom !!