ah ok thank you! I've posted my question here: https://community.adobe.com/t5/document-services-apis-discussions/do-some-pdf-services-require-more-units-than-others/m-p/13084456#M4476

Hi, I've been enjoying the PDF extract API, but I've noticed that it's charging me more units than I've been calling the API. For instance, just now I made 3 extract api calls, but it cost 7 units. Why? Also, I'm currently doing the trial version that comes with 1000 free units. I certainly don't wa...