I noticed that some of my product prices are different between the French and Arabic version. I
All my products are originally added in French then duplicated using WPML tool to Arabic.
Please check this product for example:
AR: الرابط المخفي
FR: الرابط المخفي
You'll notice that product variation sales prices exists in the Arabic version only although there is a lock by the price that says "WPML copies this field from the original language".