You can either use “chart report elements” or use images of online charts. For the description of the chart report elements please refer to the documentation of reports. To use images of online charts in your reports or documents do the following:
<<MyObject.ChartImage>>
SAVE SCREEN
action and display the document template, for example:SAVE SCREEN 'my chart id' TO MyObject.ChartImage DISPLAY DOCUMENT 'My template using chart image'