There are multiple notifications available, configurable through an Admin only. It can be turned on or off through their account settings.

There are three icons located at the right side of the top navigation.
The notification bell will turn orange when anything related to your account has been modified. Additional to the CRM notification, you will also receive an email that will state what has been changed.

What does each sale status mean?

Processing: The process that automates the transaction between the buyer and merchant.

Approved: Sale has gone through processing and the transaction has been approved.
Declined: Sale payment has not been approved.
Refund: Administrator has refunded the payment back to the customer.

Chargeback: Customer has made a complaint with their credit card company and the payment has forcefully been refunded.

Postdate: Processing a sale at a later date than the actual date the transaction was executed.