Is there still no native way to send a SuiteAnalytics workbook/data via an email on a schedule?

It does not appear so natively...https://docs.oracle.com/en/cloud/saas/netsuite/ns-online-help/section_1531766899.html

Not natively, but via script, you can get the data from a SuiteAnalytics workbook and do whatever you want from it. Including email.