As it would be required with any macro type, one can click the top bar button and select a macro ( For advanced users: write "{" or "/ " then the name of the macro you want to use).
You can easily filter out other macros by writing PDF in the focused filter box.
PDF Hidden Content macro
Using the PDF Hidden Content macro one is able to add any presentation scoped content to a page, without being worried about how this content will look when exported in PDF documents.
Drop inside the added block any content you would like to hide from being printed in PDF documents.
PDF Only Content macro
For the PDF Only Content macro, you will be able to write anything and the content you wrote will be seen just in the edit page and after you export it to PDF.
Page Title macro
For the PDF Page Title macro, you will be able to put the page title in a set of element style wherever you want.