It would appear as though The Legend of Zelda: Breath of the Wild won’t support dual audio and text in the way as you would expect. If you want the authentic Japanese experience you will need to change the language of the system to Japanese. This will enable you to have Japanese voice acting in The Legend of Zelda: Breath of the Wild but you will be stuck with Japanese subtitles too, making it a challenge for many players.
“In the case of the Nintendo Switch, if you change the language of the system, you can change the game to Japanese, but this is going to change everything to Japanese. Unfortunately, it is not possible to play with English text, for example, and Japanese voices”