To a certain extent one person will not influence law making in an entire government so whatever her beliefs she would still have to act within her role should she get the VP. Similarly on her pro-life stance.
There's an obsession with the woman at the moment. I was in New York when they were speculating who it would be and she ranked as a definite outsider until they managed to rule others out by statement or location.
Once it was announced the US media just went crazy digging up as much information as they could on her and her family!