Using a sign language interpreter can be very beneficial for people who do not know how to properly use sign language. Even though it is becoming more and more prevalent around the world, it can sometimes be difficult for people to understand exactly what is being said with the hands.
There are a lot of people around the world who have to rely on sign language in order to communicate on a consistent basis. While I can be difficult for some people to find an interpreter initially, usually they are able to help out in a variety of ways.
Some interpreters are going to be able to work remotely, while others need to be on the spot so that they can do the work that is necessary. Keep that in mind when trying to hire somebody, because that is the only way to go