Yes, the website visitors can switch the language/configuration menu and choose; you can set which is the default from your website admin panel with UltimateWB Full.  Here is the user manual section on it: https://www.ultimatewb.com/multiple-languages-configurations .  In summary, you would create the different versions of each page.  If you wanted something automatic, you could try embedding a tool such as Google translate.

You actually can create the languages/configurations you want with UltimateWB Full.  Here's the user manual article on it: How To Create A Multi-Language Website, And Multiple Configurations: Setup (scroll down to bottom for adding a new language/configuration) - and the user manual section on this is: https://www.ultimatewb.com/multiple-languages-configurations .