can't copy text from a PDF file:
- To do so, right-click the document and select Document Properties from the drop-down menu.
- To see if content copying is permitted, go to the Security tab and look at the Document Restrictions Summary.
- The word 'Secured' appears next to the file name at the top of a PDF with content limitations.
- Using any of the ways below, open the PDF in any reader and copy the text you desire. This is the standard approach for copying text from virtually any document or file, not just PDFs.
- You can copy the text you want with the CTRL+C keyboard shortcut and then paste it into the other document with CTRL+V. Press Command-C to copy the text and Command-V to paste the contents of the Clipboard into the current document or app if you're using a Mac.Alternatively, you can right-click on your mouse or touchpad and select Select tool.
- Drag your mouse to highlight the text you wish to copy on the PDF document, then right-click on the highlighted text and select Copy.
- You can also select Edit>Copy from the menu tab. Once it's copied, go to the document where you want to put it, right-click on the space where you want it to go, and select Paste, or go to Edit>Paste.
Read More: Why can't I open PDF files on my iPhone?