Gysbert is correct, it is not possible to play around with X axis label. All you can do it, you can disable it and use a text box instead however, with change in number of items on x axis (increase/decrease number of bars) you may need to re-position that text box, which is not a good in production environment.
That's not possible yet afaik. You can display the labels at an angle or vertically. A better solution is to change the orientation of the bars to horizontal. You can use the shift+ctrl key combination to show the chart elements and resize them as needed.
Gysbert is correct, it is not possible to play around with X axis label. All you can do it, you can disable it and use a text box instead however, with change in number of items on x axis (increase/decrease number of bars) you may need to re-position that text box, which is not a good in production environment.
I just closed a similar discussion, request you to do the same in order to make other people aware of it. Otherwise, they may start more similar discussion.
