All invoices can be translated into other local languages besides English.
1. Setup language
To access Translation setup, click on Translation (sidebar menu) -> Setup:
Select the language you want to translate invoices to. By default, it is always English:
If you enable Auto detect language by Billing Address, the app would prioritze the languge on your Billing Address to be default language.
Select Update to finish.
2. Manually edit translation
You can manually edit the translation, by going to Translation -> Translate on the sidebar:
Select the language to translate. If you have selected a language in Setup (1), it is automatically selected here:
Edit all the translation as you wish, then click Update to finish.