When Render Options is selected in the Scene Tree, the Attributes Panel displays the settings which control the render of the scene, such as Render Time, target Sampling Level, render output paths, the extra Channels exported during the render process and even the Extra Sampling areas to concentrate the rendering effort in certain specific zones.
For a full description of all the render settings in Maxwell, check the Render Options page and Camera panel pages.
The Attributes Editor displaying the Render Options