When one of your customers completes a Workflow that is called a completion. You can review the data collected via MyMalcolm. Go to the Workflow Section and then select the Completions tab. You can also review completions for an individual Workflow by navigating to that Workflow via the Library and then selecting Completions.
You can export all the Completion data by selecting Exports within an individual Workflow.
Don't forget that you can also configure email notifications each time a Workflow is completed and use Integrations and Webhooks to pass collected data into other systems.