Reading PDF with OCR unable to handle variable PDF position

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Hi All,

I’m trying to read a pdf with multiple possible versions, extract what information is missing, and add the name of the corresponding label for each piece of missing information to a data table. I am using OCR to go through each data field and determine if the field is empty, then if it is empty record the label of the empty field in a separate excel sheet.

This works for all versions of my PDF. However, if I try to move the locations of the pdf on my screen (say two inches to the right), the OCR no longer works. Has anyone experienced this issue and do you have any possible solutions? I need this to work on different types and sizes of desktops as well as virtual environments.

Thanks!
Emily