Based on whatever the site’s language is, the pop up or any widget for that matter should translate to the site’s language.
Folks, our former Wishlist portal, where our users shared their requests and suggestions, was transferred to this forum. You’re most welcome to vote, add new ideas, and leave your comments here — we surely will consider them all! 
Original Votes: 3
Hello,
Thank you for adding your idea!
I agree that it would be great to have the widgets translated in accordance with your website’s language. We’ll try our best to consider this option in one of our future updates.
Thanks a lot for helping us!
Original comment from Daniel Minguez transferred from the previous Wishlist portal: