You can subscribe yourself and your colleagues to the report pages, dashboards, and paginated reports that matter most to you. Power BI e-mail subscriptions allow you to:
Decide how often you want to receive the emails: daily, weekly, hourly, monthly, or once a day after the initial data refresh.
Choose the time you want to receive the email, if you choose daily, weekly, hourly, or monthly.
Note: Email subscriptions don't support most custom visuals. The one exception is those custom visuals that have been certified.
Email subscriptions don't support R-powered custom visuals at this time.
Incorrect Answers:
A: Set data alerts to notify you when data in your dashboards changes beyond limits you set.
Reference:
https://docs.microsoft.com/en-us/power-bi/collaborate-share/service-report-subscribe
https://docs.microsoft.com/en-us/power-bi/create-reports/service-set-data-alerts