In the Voice-Over Toolbar, access your script and manually translate your voiceover using a off-platform third party site. Once translated to your preference, Edit your Script and select your preferred voice to match your new translated script.
For Enterprise users, Variations: Translate is an enhancement added to Variations - a premium feature that can be added for Team and Enterprise customers.
Please note: Variations is a premium add-on feature available to select Enterprise Partners. To elevate your video production capabilities with this premium automation suite, contact your Admin to learn more about access & pricing.
Here is an article of Variations with a quick overview of Translations!