Thanks for posting and no worries about connecting your Nest camera to your Google Nest hub max. To confirm, are you referring to sharing the view of your separate Nest camera / Nest doorbell to your Nest hub max? If so, just hit this link for the steps.
Keep me posted.
We haven’t heard any updates from you. I’ll go ahead and lock this thread in 24 hours. If you're still in need of assistance, feel free to start a new thread and we'll be happy to help.