> For the complete documentation index, see [llms.txt](https://docs.emsigner.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emsigner.com/initiate-and-sign-envelopes/signing-a-document/as-an-external-recipient-ad-hoc-user.md).

# As an External Recipient (Ad Hoc User)

Who are considered as Adhoc users and how will they sign the document?