Yes, the admins can translate the categories of their store all at once. Just select the categories in your store and do the following configurations.
Login to Backend
Navigate to the Appjetty Translator ➤ Manage Translation ➤ Categories, you will land on the “Manage Translation” page.
Select Language To Translate: Select the Language to translate the Category.
Select Store View: Select the store view, you want to translate.
Select Categories: Select the categories you want to translate in your store.
After the above configurations click on the “Bulk Category” button to translate the categories.