place mulipar/mixed file (this is returned file from adobe extract api for text extraction). when you pass this file to an element 'MultipartToText' then you can use extracted data in RG.

Returning object example is as follows.
{
 Page: 1, //PDF's page number. you can filter with this.
 Content: [
   {
     Path: "Adobe given text category",
     Text: "Extracted text"
   },{
     Path:,"xxxx"
     Text: "xxxx"
   }
 ]
}