The Approvals app includes localized text strings in multiple languages. To change the language the Approvals app uses, change the Language and Region Format settings on your iOS device. The Region Format settings configure how dates, times, and phone numbers are displayed on the device.
To modify language and region settings:
On your iOS device, click Settings.
Click General.
Click International.
(Optional) If you want to change the language your device uses, click Language, select the language you want to use, and then click Done.
(Optional) If you want to change the region format your device uses for dates and times, click Region Format, select the format you want to use and click International.
Go back to your device’s home screen.