SYMPTOM:
A customer creates a new report services document in Strategy Developer or Web. The document includes a horizontal bar graph. When running the document in Interactive or HTML mode, the font appears to be fine.

However, when exporting to PDF, the font gets noticably larger:

CAUSE:
This is a known issue in Strategy 9.x and 10.x.
ACTION:
Contact Technical Support for an update on this issue.
The Strategy Internal Reference Number for the issue discussed in this technical note is 764596.