If your school uses both G Suite and Azure, you would need to set up Aware scanning for each of them separately.
The Mapping page on your Aware console allows you to select Org Units for which GDocs and GDrive (for nudity) should be scanned.
Gmail scanning is configured through G Suite and you can refer to this article to check which of your Org Units are being scanned by Aware.
The Security Groups tab on the Mapping page on your Aware console allows you to select Security groups for which documents and images from OneDrive should be scanned.
Email scanning is configured through the Azure portal. Refer to the following article for setting up email scanning for Azure: https://support.securly.com/hc/en-us/articles/360012693873-How-to-set-up-Aware-for-Office-365-emails-