Live Streaming? Teach students to use the "pin" tool to always keep you on their screen.
Use Split Screen to see students and presentation at the same time.
Try the Dualless extension to see your students while you are presenting your screen in a Meet.
Update: When a Google Meet is recorded, a transcription of the chat is created and saved in Drive as a Doc.
Using Jamboard (an interactive whiteboard) in Google Meet (see whiteboard.chat below)
Live Stream with Google Meet: Lecture style, non-interactive