HI sankums2122,
Thank you for using the Apple Support Communities! We see that you were linked from the article "If Ask to Buy isn't working". If you have reviewed the article, specifically:
"If you turned on Focus on your device, either turn it off so that you can receive notifications, or check your Focus settings to make sure that you can receive Time Sensitive notifications like Ask to Buy requests."
We recommend that you reach out to Apple Support directly to take a further look. Please reach out here:
Apple Support
Hope this helps!
Have a great day.