Can't see the text content in images that are inside pdf or word file

Hi dears, i ma using fscrawler to index pdf, word ... document and i used tesseract-ocr to extract text content from images indexed with fscrawler; my problem is that i cant see the texte content of images that are inside a pdf document.
thank you

It probably means that OCR did not work.
Could you share a PDF document which has images of text and for which no text was extracted?

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