pair iPads so one is display for other’s onscreen keyboard?

No. There's is no way to do that.

Also, as per the NDA you agreed to when installing the beta, Beta versions of software are confidential and cannot be discussed in the public forums.

Apple Beta Software Program

Don’t install the public beta software on any systems you don't directly control or that you share with others. Don’t blog, post screen shots, tweet, or publicly post information about the public beta software, and don't discuss the public beta software with or demonstrate it to others who are not in the Apple Beta Software Program. If Apple has publicly disclosed technical information about the public beta software, it is no longer considered confidential.

Apple Beta Software Program Terms and Conditions

No Support and Maintenance; Future Products.During your participation in the Beta Program or in a particular seed, Apple is not obligated to provide you with any maintenance, technical or other support for the Pre-Release Software.

No. Only the Hosts can remove a Post. If they deem it necessary they will remove it. Otherwise, there's no real breach here to speak of, so probably does not need to be removed.