If you are not receiving notifications, please try the following steps.
Note: The first step is only visible to Managers of the organization.
Update Your Organization's Notification Settings
To update your entire organization's notification settings, go to the Settings page and click on the Notifications link.
You should see a popup like the one below.
Make sure all of the options are enabled and submit the form.
Check Your Notification Settings
Some of the notification settings are not enabled by default. Learn how to update your notification settings, here.