After PDF is converted to word, the words are misspelled

pdf:

word:

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Hello,

Thank you for contacting us about this. Are you running the demo version of our PDF2Office application? If so, please note that as part of the demo, some letters and words are garbled intentionally by the tool. Once you purchase and enter the license key, the words will appear as expected.

Please let me know if you have any further questions.

I have the same question; I just run the Samples
(https://www.pdftron.com/documentation/windows/guides/features/office/samples/)-- convert PDF files to word . Almost all of the words in .docx file are misspelled.