Binge does have subtitles feature for its viewers. But, you will have to activate subtitles on your device first.  If you are using a video player on your desktop, here is what you should do:
Through your web browser, log in to your account and select something to watch
Choose the ‘Audio & Settings’ icon provided at the top of your video player
The tray will show you different options
Choose “Closed Captions” option
Now, you will see an ‘English’ option on your screen
By selecting the English option, subtitles will be turned on your profile
Enjoy watching your favorite media content with subtitles