Very much so. I-SVG yi-XML geometry kunokuba yi-pixels, ngoko i-scales nakweyiphi na ubungakanani ngaphandle kokuqaqamba kodwa ayinayo i-pixel grid eyenza isampuli. That determines both the headroom available and whether the saving costs you anything in fidelity.
Yes — akukho nto isampuliweyo: ifayile iguqulwe kancinane njengo mbhalo, ngoko ke isiphumo sihlala silinganiselwe ngokugqithiseleyo kwaye sihlala sitshintshwa kulawulo lohlobo. It is worth knowing before you overwrite an original you might need again.
Ingaba i Cima SVG iya kunyusa ubunjani be SVG files yam?