Is there a way to access the ProjectWise API from Excel?

We are trying to create a spreadsheet that will upload files to a ProjectWise folder and the CreateDocument code found at the link below looks like it would do exactly what I need, but I'm not sure how or if you can access the ProjectWise API using VBA in Excel. 

https://communities.bentley.com/products/projectwise/content_management/w/wiki/5540/using-the-projectwise-api-in-vba

Thanks.