PowerApps and Flow – Learn from the experts

Great video and walk-through showing the capabilities of PowerApps together with Flow:

https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/help-desk-install?utm_source=twitter&utm_source=t.co&utm_medium=doc&utm_medium=referral&utm_campaign=2018_04_19

Another great article here shows how to generate pdf documents:

http://johnliu.net/blog/2017/10/generate-any-pdf-documents-from-html-with-flow