These integrations are event driven. This could be a new vendor being recorded in Zahara or in a supported accounts or CRM system. It could be a new purchase order created or invoice recorded in Zahara that you want to record in SalesForce. All you need to do is create a Zap in Zapier or the equivalent in Microsoft Flow that listens for events and then instantly connect the data together. Zapier &Flowa are easy to use, and often Free to start with (some integrations require a paid for account). This integration opens up numerous possibilities for supporting cloud-based applications.
Read the article on how to connect to Zahara's Invoice Inbox here