As a cautionary note, Pega has not invested MQ explorer from a long time and as far as I know no plan to do so either. From my experience, only Websphere application server works well. I would recommend use native tools (e.g., IBM MQ explorer, which is freely available) for similar tasks.
Thanks KevinZheng_GCS for your response and suggestion. The issue is we are not using IBM MQ , rather its a remote ActiveMQ which is sitting in another JBOSS server and we have been provided a broker url which should be used to send the messages from PEGA. Somehow we have not managed to do that yet. I have tried using
a JMS bridge from our JBOSS to the remote broker,
JNDI look up on the broker and use pooled connection factory
The Pega server is not able to look up the JMS destinations using the JNDI details.