...
The Channels sub-panel is used to enable, disable, and configure various Channels in Maxwell Render, and therefore does not appear in the Standalone plugin (SA). When the Render channel is activated, it is possible to render one of the following: Diffuse, Reflections, or Diffuse + Reflections. Additional channels may be enabled or disabled as desired; for each one that is enabled, an additional corresponding image will be generated at the output location. ZBuffer Min. and ZBuffer Max. may be set interactively using the Set DOF, Z-Clip, or Z-Buffer Tool; to do so, press CTRL /Option(Win/OSX) while selecting points with the tool.
Denoiser
Here you can activate, deactivate and configure the Denoiser feature.
Tone Mapping
These parameters control the Color Space, Burn, Gamma, and Sharpness values used by Maxwell Render as it calculates the output image.
...
This sub-panel is used to enable, disable, and configure the various Simulens tutorial effects which are available in Maxwell Render.
...
Extra Sampling
This sub-panel , which appears only in the Render Suite plugin, is used to enable, disable and configure the Extra Sampling feature, which lets you continue a render in only part of the image based on a custom mask or the alpha channel.
Illumination & Caustics
This sub-panel is used to control whether the Illumination, Reflection, and Refraction layers will be rendered.
...