Feed Stats provide a snapshot of the aggregate statuses of your various feeds in real time.
Total Products: The total number of products that are currently being sent to your various channels
Approved Products: Products approved by your channels and eligible for display in ad campaigns
Disapproved Products: Products disapproved by your channels and thus not eligible for display in ad campaigns
Total Issues: The total number of account or catalog-level issues from Google and Facebook. Bing does not provide account-level issue aggregates