Currently, you can set column widths under "General" properties of a regular table, but not a pivot table. This doesn't allow us to maximize space on the page.
Regarding the Calculated Line specifically that can appear in bar charts () - please allow formatting or auto default to an abbreviated scale so we don't see 16,000,0000,000.00 taking up real estate on a chart.
Currently, this function does not work on a bar trellis chart which makes it so tough to read the labels:
Currently, when you select a Maximum Bars value in a bar chart, an 'Other' bar appears and it often appears truncated as shown in this article: It would be better to have the option of truncating it or not. Even better, show the break in the bar like this: