XeLaTeX is a professional typesetting system based on TeX, with excellent support for Unicode and OpenType fonts. XeLaTeX is used by Texts to create beautiful documents in PDF format.
To install XeLaTeX please download BasicTeX package and install it with default options.
After XeLaTeX has been installed you will be able to export your documents from Texts as PDF files in one click.
Exporting Texts “Welcome” document should produce this PDF.