Examples include Times New Roman, Garamond and Bookman Old Style. Fonts that lack these small projecting features are called sans serif (from the French for 'without', but usually pronounced 'sanns' by printers). Arial, Helvetica and Verdana are the most common.
Don't forget that the fonts available for PDF output are limited - there are docs telling you how to add new fonts to that configuration file (somewhere).
As for the log, check the width and height properties of the logo and remember to use the same ratio in your code. Companies do not like to see their logo stretched or squashed!
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WebFOCUS Server 8.2.01M, thru 8.2.07 on Windows Svr 2008 R2
WebFOCUS App Studio 8.2.06 standalone on Windows 10