I am unable to pass the "Label" from a Category Data Grouping.  I am grouping by Category to distinguish costs:
Labels are "Less than 20 OMR", "Between 20 and 35 OMR" and "Greater than 35 OMR".  The logic for each of the Category groupings is working fine e.g. (=Fields!Total_Current_Charges<20) and displays the <value> and <percent>, but the Label I assign to each Category grouping does not get passed back to the chart.  Below is a screenshot of my configuration.
Thanks in advance!

You can’t pass category labels to the pie chart data labels like that. Also, you should not use the FORMAT function in the Data -> Value field.

You should consider using only <label> in the Data Groupings -> Values -> Data Labels -> Format field:


Then, in the Data Groupings -> Values -> General -> Data -> Label field, use an expression like this:
=IF(Fields!Total_Current_Charges<20, "Less than 20 OMR",
IF(Fields!Total_Current_Charges>35, "Greater than 35 OMR", "Between 20 and 35 OMR")) + " - " +
FORMAT(SUM(Fields!GrossProfit.Value), "N0", "en-us") + " - " +
FORMAT((SUM(Fields!GrossProfit.Value)/SUM(Parent.Fields!GrossProfit.Value)), "P0", "en-us")

Best Regards,
Nevron Support Team