A Private Node by design is wholly owned by you and not accessible to anyone else.
...unless you wish to grant someone access for joint development, management as part of an organizational network, or as your needs might be.
As the following screenshot shows, an Ethereum private node, owned and added to the network by organization creator BobDobbs is accessible to connect to by all other members of the organization; in this case Bill_T
All Partner nodes will become part of a network once payment has been completed and the node status is, <running>
Partner nodes will be listed in the All and Other Nodes tabs found in the Network Page