You can add up to two charts to standard and custom reports, but you can't add charts to scheduled reports. By default, charts display in a few standard reports.
Click Add Chart. In each menu, the options vary depending on the data source, columns, and sort order chosen for the report. When done, click Apply.
Basic

Type of chart: pie, line, bar, stacked columns, or cluster
Basic configuration
Chart Title: Name of chart
Attribute: Ordered and grouped columns
Metrics: Data not grouped (see Selecting the Type of Data and Data Sources)
Option to display a clickable legend to select part of the data
Advanced configuration

Optional chart display in 3D
Location of the legend (top, bottom, right, or left)
Width in pixels (default is 800)
Height in pixels (default is 600)
Whether to show values
These are example pie, bar, and cluster charts for the same report.

Right-click to add, edit, or delete
Bar chart with same data:

Combined pie and cluster charts:
