I filed 3 1099-NECs but I only see 1 was mailed on quickbooks..any idea why? On the summary it shows all 3

I appreciate reporting this issue, hlivingston.

I'm here to help you determine why you're other contractors haven't received their 1099-NEC form.

In most circumstances, after filing your 1099s with the IRS, we'll always notify you of your filing status by email. You can also check your filing status in QuickBooks Online at any moment to ensure it is completed. 

Please be aware that all forms are mailed by January 31 to the address listed in the contractor's profile. You may ask your contractors to check their spam and junk folders to determine if their 1099s are still there.

In addition, you can also print a PDF copy of the forms and send it to your contractors as an alternative.

Furthermore, here's an article if you have questions concerning your 1099s: Get answers to your 1099 questions.

Please let me know if you have further questions or concerns about 1099 in QBO. I'm always around to help.