Does vinegar affect any pharmicokinetics via acidity or cyp enzyme inhibition or induction and are there any benefits from drinking vinegar?

No effect: Any specific effects of vinegar would be neutralized by stomach acidity which is much stronger. There is a subset of health alternative advocates who advise vinegar for health benefits but there are no clinical studies and i note that are selling "organic" vinegar at a staggeringly higher price than vinegar in the grocery store. Save your money.