Good day! Why the transaction drilldown report for Purchases have invoices & sales receipt this is customer transaction?

Hello, Crizellemersula! I'm here to assist you with your concern. 
 

To better understand and address your issue, we would appreciate it if you could provide us with more details. Could you please inform us of the specific report you attempted to pull up? This will enable us to identify the dropdown area that is causing the problem. Additionally, if you could send us a screenshot for visual reference, it would be greatly appreciated. 

We look forward to your response. Take care!