Hello @jquan,

The clean commerce theme is already made translation ready and can be translated to any language. Also to make you clear the themes will itself not be available in any different language. You have to translate it to your preferred language.

For the translation, you can use the plugin like Loco translate.

Link:
https://wordpress.org/plugins/loco-translate/

After activating the plugin translate the string available in the theme. Also, make sure
to change the site language to your desired language by going to Admin Panel > Settings > General.

Screenshot:

https://prnt.sc/janu8r

Hope this helps.

If you have any query further, please let us know.

Thank you.

Best Regards!!