If a vendor's total looks higher or lower than expected, you can audit the numbers.
View Expenses link. Next to each vendor in the 1099 Report you will see a View Expenses link.
Global Vendor Expense Report. Clicking it opens a detailed report filtered to that vendor.
Cross-project visibility. The report shows a line-by-line list of every expense including project name, date, category and amount across your entire portfolio.
This lets you quickly identify a miscategorized expense, or see which project pushed a vendor over the $600 threshold.
Read the full article: How do I verify the numbers are correct?