Beanworks exports a link to the invoice using a custom field in Intacct. You'll need to follow these few steps for this feature to work.
In the ‘old’ UI, select “Custom Fields” in the Platform Services menu:
Choose object to extend: apbill
Select URL for the data type.
Configure the URL properties like so:
NOTE: The Field Id must be BEANWORKS as seen above, the other fields can be named to your liking.
Press enter on the options that follow Next.