If you are publishing document using JMS then you can consume/access published document in subscriber using built-in service WmPublic → Pub → JMS → receive

Whereas if you are publishing document directly (without using JMS) then you can access document in subscriber as following:
In publishable document when you are publishing a message using webMethods trigger (local) you have to check some key points I mentioned below:
- To make a document type publishable In the Properties view, set the Publishable property to True.

- When you’re receiving published document in your Subscriber (service), then name of the document reference must be the fully qualified name of the publishable document type.

#webMethods