When you create comments, for example, they reside on the topmost layer, which is reserved for markup.
However, form designers using this method are faced with a common dilemma: What if changes must be made to the original document? True, it has the Touchup Text and Touchup Object Tools, but these are good for only minor of edits, and only if you have all fonts used in the PDF installed on your system.If you don't want to install any programs, an online reader is your best solution.Updating your PDF reader may resolve many basic issues.Usually changes must be made in the source document and a new PDF exported.But then do you have to re-create all the form fields? You don’t even have to copy the interactive elements over to the new file. Now, go to Acrobat Pro and open your old PDF containing the interactive elements that needs to be updated with this new content.To get started making forms in In Design, go to Window: Interactive: Buttons & Forms. ) Many people use Acrobat Professional to create fillable forms and other interactive documents for online use.In recent years Acrobats form creation features have improved and become more automated and easy to use.The page content layer is down below these special layers.When replacing pages, Acrobat swaps out the page content layer, leaving the other layers intact.The best way to do this is to import the new PDF pages into your existing PDF form using the Replace Pages option. Feel free to open up your source document in MS Word, In Design, or whatever application you’re using, edit it, and export your new PDF (but don’t overwrite your form! Open the pages panel (usually on the left side of the screen), right-click on the page(s) you want to replace, and choose “Replace Pages.” Select the appropriate page range from the dialog and choose OK.If the changes you made caused reflow in the document, you’ll notice the items created in Acrobat need to be readjusted.