Just opened my first can of Tomato Magic last week, very good, liked the consistency. I don’t cook any of my sauces but definitely like 24hrs in the fridge after adding spices.
I don’t think there’s a right or wrong answer wether sauce should be cooked or not, it’s a preference really, I used to cook all my sauce for 30-45min, I’ve since decided its just not necessary, but not wrong to do so if you choose.