You should be able to access new reports and dashboards engine from Navigation panel > Reports or Dashboards module. If you cannot see these modules from your nav panel, it likely means that you will need to add it to your navigation layout from Settings > Profiles > Navigation > add Reports and Dashboards modules to your selection.
This article provides an overview for the newly released Reports & Dashboards Modules and will walk you through how to create and manage new reports and dashboards: https://clarizen.zendesk.com/entries/91587127-Reports-Dashboards-Overview
We also host live webinars for Clarizen users to come learn how to fully leverage Clarizen's new Reports and Dashboards! This webinar includes an overview of the modules with examples and interactive Q&A featuring audience-driven use cases. To register go to Training Webinars > Reports & Dashboards > http://www.clarizen.com/live-demo.html
All the best,