The openaccessoptiondoes notincludepublication in any commercial format; commercial usemust bepreapprovedthrough a reprintagreement with Common Ground Research Networks.
You can access that option by clicking the Menu button while reading, which makes it possible to take notes (albeit, sloppily written ones) directly on the text.
You can access this option by either clicking on 'pop-out' option on the control bar, or clicking on the 'Watch in pop-out player' text on the screen when the stream is stopped.