You can try … but it may not work.
If you attempt to add it to the title via the page settings, you receive an error message:
Same for the description:
You can attempt to add it via code ---- but it may result in the same error.
Link to Wix API: https://www.wix.com/corvid/reference/wix-seo/settitle
I don’t think there is a way of setting page description via code: https://www.wix.com/corvid/reference/wix-seo/introduction