Yes, this is very possible.
You can write a custom function which generates and sends an email. The content of this email can contain any data you wish, so yes, you can pull in an ACF value using
Perhaps you would add an action to the
save_post, and use the ACF value to schedule a cron function to send out the email?
I’m not exactly sure how you want the functionality to work, but yes, you can load in an ACF value.
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