I'm glad to see you here, CDB1.

Setting email schedule is only available to custom reports in QuickBooks Online. For now, you can only send management reports manually by selecting the Send option from the Reports section.

I'm also attaching some screenshots for your reference about the available option:

For more insights into sending reports by email. I'm attaching the article I recommend on this:

Set schedule and email information for a memorized report.

Feel free to get back to me if you have additional questions with running reports in QuickBooks. I'm always up to lend a hand.