Q2A 1.5 will allow you to approve all posts before they are displayed on the site (see roadmap here). I assume that's what you need?
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.