PMA.start supports fluorescent slides from a variety of vendors.
Please not that PMA.start has no digital zoom capacity. If you need to zoom in beyond the optical zoom of the scan please upload the image to your My Pathomation account where you have access to digital zoom https://docs.pathomation.com/my/doku.php?id=advanced_viewing_and_colour_adjustments

You can toggle visibility of individual channels. You can also change the histogram range for individual channels.

Check out https://www.pathomation.com/formats for an up to date list of recognized formats.