I took a screenshot of every page, looked at the pages and at different resolutions to find any responsive issues. In total I was able to identify 37 different errors, using Nielsen criteria for Heuristics Analysis. I had one of these next to me as I went through the app, component by component.
This produced an InVision document that could be commented on by the team.
For myself was a great way to build a better understanding of the product, that allowed me to produce an excellent presentation for the Client.
Showing them the value of bringing in a Product Designer to do research.