Yes, they do. In fact, their online chat is automated for efficiency purposes. If you have any simple inquiries, you can reach them through their chat. They have a variety of chat options for different languages, so you can reach them in whichever language you prefer.
If your questions end up being more specific, however, their online chat will then redirect you to their customer service phone number. This is an important part of their service, so they ensure that all customers are taken care of as soon as possible.