they will have 2 different endpoints, so you can certainly consume both of them.
Of course you need to create only one PB NVO and deploy (publish) it as SOAP or REST service.
- in order to consume the 2 WSs, you will need to create a PB .NET WS proxy or a PB RESTclient, respectively. This is already possible in current PB 2017 R2.
- in order to create the 2 WSs, you need to deploy a PB .NET WS target (already doable in PB 2017 R2) or a C# Web API for the REST service (PB 2018).