No, it is not possible to print without the watermark. The watermark is embedded in printed pages to identify the version of the Design Guidelines from which it is extracted; and to remind users that the content is subject to copyright.
No, We will license electronic copies only. Those wishing a hard copy are welcome to print the sections of interest from their electronic copy.
The most recent edition is the MMCD 2019 Edition.
We do not have LED fixture manufacturer/distributor related specifications in the MMCD. See the full answer for some references we have found.