Other commercial solutions
- There are really good solutions/system available.
- They are digitally safe and well proven.
- The business cases for such solutions usually consists of continuous cost around ~400 USD /user/license/year, depending on solution/offer.
- The system requires that you upload your data to an server or database.
- Difficult to investigate and show the "digital hierarchical trust" during an audit. (your PDF are digitally signed by one external party, but contains pictures of signatures)
- Unfortunately, it is not uncommon that you cannot prove "digital hierarchical trust" for your documentation during an audit if you have cancelled your license agreement (one way street).