Problem with reading pdf


Mr. Wong Chi Wai <cwwong.pro@...>
 

Hi,
I got a pdf file, when I open with Adobe pdf reader DC on my windows 7, it said it is blank or require OCR.
However, when I send the pdf to my Ipad via dropbox and ope the pdf with dropbox, the screen reader there can read all those text content, as if it is totally accessible.
I am not sure how to fix this issue. Cause I need to extract some of the information from the pdf.....
Do I open it with alternative pdf reader? any recommendations? or any other advice?
thanks
William
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