We have just released some more open-source code as a demo of how to use the Chart Js library with Sage CRM and even embed a graph in a company summary page. This allows you scope to extend summary pages to provide ERP data (like in our example) or any other data you can access.
We have a video run through here
and resource links below
github: https://github.com/crmtogether/sage300-charts-in-crm