If Document Assembly is shown as Not Allowed in the File-Properties Security tab then the PDF has a Password applied to it. If you know the Password, then you can change the Security settings ( in Acrobat 8 and 9 under the Advanced tab, and in Acrobat X it is in the Tools panel under Protection-Encrypt).
In respect to this, what is assembly language PDF?
Assembly language is a low-level programming language for a computer, or other programmable device specific to a particular computer architecture in contrast to most high- level programming languages, which are generally portable across multiple systems.
Furthermore, how do I make multiple PDFs into one PDF?
How to combine and merge your files into one PDF: Open Acrobat DC to combine files: Open the Tools tab and select "Combine files." Add files: Click "Add Files" and select the files you want to include in your PDF. You can merge PDFs or a mix of PDF documents and other files.
What does assembly mean?
noun plural -blies a number of people gathered together, esp for a formal meeting held at regular intervals. the act of assembling or the state of being assembled. the process of putting together a number of parts to make a machine or other product.
How do I change the restriction summary on a PDF?
Click "File" on the menu bar and choose "Properties" to open the Document Properties dialog box. You can see the current security restrictions by clicking the "Security" tab. The "Allowed" and "Not Allowed" restrictions are listed in the "Document Restrictions Summary" near the center of the dialog box.