Approved PO notification is not receiving by buyer

Summary:

The buyer not getting email notification for the approved changed POs , since yesterday, Only getting draft PO notification ,

Is there any way to check from the admin role if the notification sent to the buyer or not,Kindly advise.

Regards

Content (required):

The buyer not getting email notification for the approved changed POs , since yesterday, Only getting draft PO notification ,

Is there any way to check from the admin role if the notification sent to the buyer or not,Kindly advise.

Regards

Version (include the version you are using, if applicable):

21 D

Code Snippet (add any code snippets that support your topic, if applicable):