Yes, you can assign multiple permission sets to the users in one click using the Mass Assign Permissions Set tab. Follow the below steps to understand how to use it - 

  • You need to navigate to the Mass Assign Permissions Set tab.
  • Select the permission set in the Select Permission Set box.

  • Select the user Name, Role, Profile, or Group Name to whom you want to assign the permission sets.
  • Click on Fetch User Permissions and the following table will appear with the Edit/Save option in it.

The permission set will be assigned to the specific user you chose.