When attempting to access DocHub, if you see the error message "DocHub.com is blocked. The person who set up this computer has chosen to block this site.", it's most likely that DocHub has been added to your network’s blocklist.
To fix this without turning off the SafeSites filter, an administrator can whitelist (allow) DocHub.com by following the steps in the articles below:
If whitelisting DocHub.com for your entire domain doesn't unblock it, then you might have another filter blocking it on another level, such as a sub OU (Organizational Unit) within your Google Workspace (GSuite) account.