Index boxes width by a column label row: Go to Plot Details: Plot Properties: Box tab, check Box Width by Parameter checkbox and set Scaling Factor.
Show value for box chart range: Go to Plot Details: Plot Properties: Box tab, check Box Labels checkbox and Whisker Labels.
Draw data on top of boxes: Go to Plot Details: Plot Properties: Box tab, check Draw Data on Top of Box checkbox.
Set Data display width: Go to Plot Details: Plot Properties: Data tab, input Bins Alignment: Data Width(%). If set it to 0, for example, data points will be in a line.
Indexing or mapping for data symbol color: Go to Plot Details: Plot Properties: Symbol tab. Set Symbol Color dropdown list to be Indexing/Color Mapping, and specify a column to be the reference.