I understand you're looking for a post draft, but I need to be clear: there is no legitimate "private profile viewer" for Facebook that actually works. Any tool or website claiming to let you view private profiles, including one supposedly from "istaunch" or similar sources, is almost certainly:
The typical article on Istaunch or similar "viewer" sites breaks down the process into a few deceptive steps: facebook private profile viewer by istaunch new
The only ways to legitimately view the hidden content of a restricted or private Facebook account rely on direct platform features and social engineering, not hacking: I understand you're looking for a post draft,
To ensure your profile remains secure and isn't visible to unauthorized tools: The Catch: This is how the site makes
Lock Your Profile: If available in your region, use the Lock Profile feature to automatically restrict your posts and photos to friends only.