You can enable and personalize the appearance of subtitles directly through the Apple TV App on various devices: :
: Chinese (Simplified & Traditional), Cantonese (Traditional), Japanese, Korean, Vietnamese, Thai, Indonesian, Malay, Hindi, Tamil, Telugu. Middle Eastern : Arabic and Hebrew. How to Access & Customize Subtitles Servant(2019)1117 Available subtitles
: Press the Play/Pause button to bring up controls, then swipe up and select the Subtitles icon. You can enable and personalize the appearance of
Navigate to > Video and Audio > Subtitle Language to set your permanent preference. Visual Customization : Servant(2019)1117 Available subtitles