営業マンは、会社の商品やサービスをお客さんに売る仕事をする人です。

A 営業マン is a person whose job is to sell the company's products or services to customers.

よく外に出て、たくさんの人と話す仕事なので、話すのが上手な人が多いです。

Since it is a job that often goes outside and talks to many people, many 営業マン are good at speaking.