how to save multiple pdf as one

Click Save a Copy Select the location you want to save it from the Save A Copy column

When you print the document, the stroke prints at the true widthChoose View > Show/Hide > Rulers & Grids > Line Weights

To turn off Line Weights view, choose View > Show/Hide > Rulers & Grids > Line Weights againNote: You cannot turn off Line Weights view when viewing PDFs within a web browserShow or hide navigation pane, tools pane, toolbar items and more While viewing a PDF, you can choose to select the following elements to be displayed in Acrobat from the View > Show/Hide menu: Navigation Panes: The navigation pane is an area of the workspace that can display different navigation panels

Select to show or hide the Navigation menu itemsFor more information on navigation pane, see Navigating PDF pages

Tools Pane: The right-hand pane of Acrobat displays frequently used tools

Choose View > Show/Hide > Tools Pane to collapse the right-hand tools paneFile Structure of PDF Files PDF file contents are arranged in the following sequence inside the file

|Header |Body |Cross-Reference Table |Trailer PDF File Header Irrespective of the PDF version, a PDF file starts with a header containing unique identifier for PDF and the version of the format such as %PDF-1x where x ranges from 1-7

File Body The body of a PDF file consists of a sequence of indirect objects representing the contents of a documentThe objects, as described above, represent components of the document such as fonts, pages and sampled images