I created a multi page PDF with numerous buttons for navigation. I realized I had forgotten to sign one of the individual pages, (I had recently added) so I simply put in a digital signature. I saved the document and reopened it later to find it made all the buttons non functional and uneditable... Some of the buttons were transparent (placed over written dates for reference) and some were colored boxes with text. The colored buttons became "flattened" and I could no longer edit them or click on anything.
Why did this happen? Is the digital signature to blame? Is there a way to edit the existing buttons or do I need to recreate all of them along with the actions associated with each? any assistance would be much appreciated!