Please allow to pre-configure below for boxplot under Administration Manager => Preferences: BoxPlot -> BoxPlotPreferences.
(1) font of Y axis lables,
(2) format of Y axis lables,
(3) font in Statistics table,
(4) format in Statistics table,
(5) show gridlines (** currently available item ShowGridlines actually corresponds to "Show cell borders in statistics table" with a bad name)
See attached screenshot.
Customer would like to configure these, in addition to currently available configuration items e.g. Measures / ShowDistribution.