On the left toolbar, there is the option to create charts 

Select and then create a box in the report grouping that you want the chart.

Select the chart and a little blue box will pop up in the corner.

A Chart Tasks dialog box will pop open and here you can select "Run Wizard"

The will enable the Chart Wizard

Chart Type

Appearance

Series

Data

Chart

Diagram

Panes

Axes

Series Views

Point Labels

Chart Titles

Legend

Annotations

Here is additional information from Dev Express on Charts: 

Scripts to group chart data:

Private Sub chart1_BeforePrint(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintEventArgs)
Dim xrc As XRChart = CType(sender,XRChart)
Dim filter_value As String = GetCurrentColumnValue("General_GroupCode")
' System.Windows.Forms.MessageBox.Show(filter_value)
if Not String.IsNullOrEmpty(filter_value) then
For each srs as Series in xrc.Series
srs.DataFilters.Clear
srs.DataFilters.Add(New DataFilter("LayerReportData.General_GroupCode", "System.String", _
DataFilterCondition.Equal, filter_value))
Next
end if

End Sub