Tealeaf on Premise had the option to put Dimensions on the "Segment" Axis, this was very useful when, for example, a report had to be filtered but the value filtered shouldn't appear on the report itself. One case for this would be if I want to segment a report by "Desktop" but you do not want Desktop as a value to show on the report.

Another side-effect of the "Segment" option not being available on Tealeaf on Cloud is that some Visualizations become impossible, since each dimension you want to segment by, will be added to the report visually which make it specially unusable when several events are also present on the visualization.