Hey there,

I'm glad to inform you that we've added a running demo in Spanish to the same link here - https://air.gyde.ai/render/login.
(Click on the question mark located at the bottom right side of the screen & change the language to Spanish at the top to see help articles/knowledge base in Spanish)

For your second query - Yes, application users also have a choice to translate the help articles along with the Admin.
(Go to settings section to choose language type, pasting a screen recording video link for your reference)
https://drive.google.com/file/d/16LSLsigrTKe01bMdc8hjzgruabtSn4IF/view?usp=share_link

I hope this addresses your concerns. Please feel free to connect in case of any further queries.

Happy to help,
Vidya