The 9.1.x series introduced several refinements aimed at professional productivity:
The OCR engine received specific logic upgrades to improve recognition accuracy for diverse document layouts. Wondershare PDFelement Pro 9.1.8 OCR
You can choose to make a PDF "Searchable Text Image" (keeps the original look but allows text searching) or "Editable Text" (converts the document into a standard, modifiable PDF). Wondershare PDFelement Pro 9.1.8 OCR