SyncWith can report on a wide array of data at Shopify, including sales, and inventory, but Shopify doesn't make what they call "Analytics" data available outside of Shopify (as far as we can tell!)
This generally includes things that happen on your Shopify store before an order is placed. SyncWith can still report on all sorts of things about orders, products, sales, inventory, cost of goods sold.
This includes things like:
Conversion rates
Sessions
Visitors