Does WF support placing exceptions on industry standard queuing technologies such as JMS or MQ?
WorkFusion RPA Express supports exception processing via manual tasks.
You can read more at https://kb.workfusion.com/display/WF/Create+a+Human+Task
When it comes to JSM or MSQ our flagship product Smart Process Automation offers these.
If you can share the details of what you are trying to accomplish we should be able to guide you better.