That will depend on the setup of the permission schemes used on all the projects you have. You must ensure that all those are restricted before granting access to the third party members.
The guidelines would be,
The right solution would need to have deeper knowledge of your environment, if you can't make it alone contact us at our website and we can certainly help with this.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.