Exemplo de código

HPDF.CurrentParagraph.Justification := hjLeft;
HPDF.CurrentParagraph.ShowText( 'Text aligned to the left' );
HPDF.CurrentParagraph.NewLine;

HPDF.CurrentParagraph.Justification := hjCenter;
HPDF.CurrentParagraph.ShowText( 'Text aligned in the center' );
HPDF.CurrentParagraph.NewLine;

HPDF.CurrentParagraph.Justification := hjRight;
HPDF.CurrentParagraph.ShowText( 'Text aligned to the right' );
HPDF.CurrentParagraph.NewLine;

HPDF.CurrentParagraph.Justification := hjJustify;
HPDF.CurrentParagraph.ShowText( 'Text is fully justified. This means that spaces between words are adjusted to make the text fill the entire line from margin to margin.' );