Depending on the exact content of your PDF (PDFs come in all shapes and sizes), FuseSign may need to remove bookmarks when it digitally signs the document and adds the digital signature.

The system does it's best to leave the bookmark content in tact, however in some cases this is not possible due to the origin of the document, or the origin of the contents of the document.

One of the most common causes of the need for the removal of bookmarks is outdated PDF software used to create your PDF.