Hot answers tagged transparency
As far as I know, there is no way to make text transparent in ArcMap. My suggestion for a workaround would be to export to PDF and then add the watermark using Adobe. That's what I do to add watermarks to my maps. The limitation of this would be that it requires Adobe Standard I believe. If you don't have Adobe Standard, here is a link with some other ...
You can only set the transparency if you symbolize say a point feature as a chart which in your case is pie chart. Please see the Symbology tab of your feature class. After this, you can set the transparency of your feature class from the Display tab and this will reflect on the pie charts.
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