"Projects" Tab in Service Desk Plus

"Projects" Tab in Service Desk Plus

Hi
   How can we separate projects of  each Departments ( HR , IT , FIN and etc ), so  that each department is  only capable of viewing and working on their Projects not all projects . If its not clear here is an example :
in our environment we want to give R&D Dep access to Projects but we don't want them to view IT projects. is there any way to this ?
Thank you very much

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