Does PPI stop reflux?? Or can you still reflux but lowers the acidity of your reflux from ppi?

Varied results. PPI beneficial effect depends not only upon the severity of the condition but other confounding factors such as age, body habitat, dietary habits and use of other medications being used.
Complex issue. The potential to reflux is constant throughout life as long as the stomach generates pressure by squeezing its contents.As you swallow your spit (intermittent), the stomach opens and pressured contents may reflux.Nicotine & caffeine prevent closure of the entrance.Laying down increases reflux pressure.The PPI reduces acid and healing can reduce some of the symptoms, but nothing stops it completely.