Bbruck -
1. Are you asking about Click Dimensions and NOT D365 Marketing? If so, this is a D365 Marketing forum so not sure about responses
2. Are you asking about custom reporting vs. standard out-of-box reporting? CD provides stats in several different places. For example - email stats:
Navigation paths:
Sent Email Send Record - ClickDimensions > Messaging > Sent
Global View - ClickDimensions > Messaging > Sent Emails
Individual Lead, Contact, or Account Record - Lead/Contact/Account record > Related Records Menu > Sent EmailsOR Lead/Contact/Account record - ClickDimensions Form > Related Records Menu > Profile
Associated CRM Campaign - Campaign record > Related Records Menu > Sent Emails