The standard Vendor Pre-Payment Journal Report is incorrect as it is listing/repeating the name of the FIRST vendor in the batch against all the other Vendor records within the batch. This appears to be a formula error in the RDLC report.
The second issue is that the Vendor Applied to document number should be the Vendor External Document number, not the BC generated document number OR there should be an additional field added to the report to reflect the External Document Number.
On the subscription based environment this is difficult to try and fix and the report itself should be corrected.