To allocate monthly file translations to your teams, follow these steps:
Go to the Settings tab in your account and scroll down to the Document translation section.
Click on Edit.
Here you can change your monthly file translation quota per user (depending on your plan) or allocate "unlimited file translations.
When selected, this option allows users to translate as many files as they like until the total amount is used up.
To save your changes, click on "Save changes".