There should be a rich-text widget that can be added to dashboards in PX, so that I can write comments and instructions about how to use or interpret the dashboard. For example, I could place this next to query builder widget and give context about what this query is meant to show, and why.
Similarly, I could place links to relevant content that lives external to PX. This would enable better workflows for the team. For example, a PM could review the usage data on the dashboard for a quantitative review, then click a link to a specific forum area to review qualitative data. At any rate, it would facilitate a nice workflow.