For an immediate dice roll, simply double-click, and you'll get the result directly without seeing all the bonuses added to the initial d20.
For Pause button you can do Esc
You can hide helmet entirely. Unfortunately, for companions not present in the party, the helmet display is re-enabled.
I just unequip their helmets when I am going to send them back to camp. The helmets in this game are so damned goofy outside the tiaras, Gale looks like such a goof I had to take it off.
