Larian has switched around how dice rolls work. Instead of adding the modifiers to what you rolled, they added them to the DC target. If you hover your mouse over it, it will provide you this information.
Reflex saves, fortitude and will saves are not a thing in 5e, but there are saving throws. Saving throws are for the same 6 primary stats (i.e. str save, dex save, con sav, etc.) and your class dictates what two stats you gain proficiency in, I haven't looked for them, but I do believe you are correct in that it is not listed outside of character creation.
Last edited by dreambled; 14/10/20 05:39 PM.