Isn't it the Scrum Team which analyzes its own work and status? Aren't they accountable for inspecting and adapting their own process? What tools, beyond burn-down and velocity, do they believe they need?
Progress should be evidenced to other stakeholders, including those at enterprise-level, by the delivery of an integrated, tested, feature-complete, and release-quality increment each and every Sprint. Is that the case in your organization?