Do you think sexism still exists when employing people on sales? Any particular areas?

unfortunately yes because it depents of the culture of each region and country

Yes, why not, this still exist, and I want to add that this is the most important tool in marketing these days. Sadly, females are used as models which is the modernized face of it.

Yes, May be in sauth Africa

yes it is steal in all the world not on specific country

yes its exist in certain part specially in middle east, india, pakistan, and in other muslim countrries purely due to the cultural and religious values.

The most sexist jobs exists in the US, and the jobs were mostly commission based jobs.  In the real estate and financial services industries commissions are usually set the same for all workers.  The harder, longer, or better you work the more you make.  Posting salary figures from commission based jobs to "prove" women earn less, only proves women aren't doing the same jobs as men.

Yes in some countries, religions, and industries sexism still existswhen employing on sales . Most of the companies employ beautiful ladies to attract clients despite their lack of knowledge of job. Some companies want male because of the heaviness of the job .

In my experience I haven't met this kind of attitude from employers but in cultural context sometimes Sales job looks more traditional for males.

It is dependent how are they saying and what is kind style they talk with customers 

i think only in special regions. but in future it will change

Mostly when you run sales and promotion campaigns in shopping malls, women are more preffered over men. Atleast i have witnessed that in Pakistan almost every time i go shopping in shopping malls..