Not really. As vice president her role is to follow the administration and donbidens plans, but not unquestioningly. As a candidate, she should have her own vision.
Shes more responsible than someone outside the administration but shes not the administration on her own. So even if there were minor tweaks that were inconsequential to you or any major issues, it wouldn't be performative but perfectly normal.
I would expect her platform to also not undermine her current role, or shed have to leave. If she plans major changes, she should announce them before election but that doesn't mean she needs to announce things that aren't election issues, unless she chooses to This is perfectly normal whether you agree with her or Biden or neither or both. To paint it as unusual is performative on your part, not hers.
I'm not nornalisong genocide. I also recognize that there are two bad options and she is the least bad option.
Actively seeking to undermine her without an alternative is advocating for more genocide, not less.