PDF document methods and properties: 

	SetAuthor	This method sets additional information about the author of the current PDF document.
	SetCreator	This method sets additional information about the creator of the current PDF document.
	SetKeywords	This method sets the keywords for the current PDF document.
	SetProducer	This method sets additional information about the producer of the current PDF document.
	SetSubject	This method sets additional information about the subject of the current PDF document.
	SetTitle	This method sets additional information about the title of the current PDF document.
	UnicodeAuthor	This property gets or sets additional information about the author of the current PDF document.
	UnicodeCreator	This property gets or sets additional information about the creator of the current PDF document.
	UnicodeKeywords	This property gets or sets unicode keywords for the current PDF document.
	UnicodeProducer	This property gets or sets additional information about the producer of the current PDF document.
	UnicodeSubject	This property gets or sets the unicode subject of the current PDF document.
	UnicodeTitle	This property gets or sets the title of the current PDF document.