When you try to share screen content, Google Chrome only lets you share other browser tabs and you cannot share other application windows or the entire screen.
Toggle the Screen Recording permissions in System Preferences
You may also need to reset screen capture with the tccutil command
tccutil reset ScreenCapture com.google.Chrome
View the Amazon Chime User, Administration Guide and API Reference on the AWS Documentation site.
Find more information about the Amazon Chime solution, pricing, customer references, getting started, and other resources.