The Processing Mode panel can be accessed from the View menu. It appears automatically if you change the mode setting.
You can define for each processing mode (Standard, Legal, Spreadsheet and Form)
which elements to retain or drop during the conversion
how to process image-only pages or enforce using OCR even if the files are not image-only
how to handle graphics
You can define for Standard and Legal Documents
the page layout (Flowing Column or True Page)
The following document-specific options can also be specified:
enable or disable form controls (Form)
retain or drop pleadings (Legal)
arrange sheets in an Excel file per table, per page or per document (Spreadsheet)
For details see Standard Document, Legal, Spreadsheet and Form.