I admire your interest in having the feature to batch delete purchase orders, @Elast801. 

As of the moment, this option is currently unavailable. Our team is constantly taking suggestions into account while making product updates. As we value your suggestions, I recommend sending this feedback to our Product Development Team. 

In QuickBooks Desktop, here's how you can submit feedback: 

1. From the top menu bar, choose Send Feedback Online.
2. Click on Product Suggestion.
3. Click on the drop-down for Type of Feedback and select Product Suggestion.
4. Select the Product Area, then enter your thoughts and suggestions.
5. Once done, select Send Feedback.
   
   

While in QuickBooks Online, you can follow these steps: 

1. Click the Gear icon and choose Feedback.
2. Enter your feedback Suggestion.
3. Press Next.
   
   

On top of that, we can track the progress of our feature request by visiting our Feedback forum page.

Loop me in if you have other concerns or want to share your practices using the product. I'd be glad to assist you. Take care.