if a conversion occurs multiple times within a single session it will be recorded as a single conversion while multiple events will be counted.
Is there a method for tracking users who are browsing through incognito mode? what is the alternative for doing this in google analytics?
Google analytics advanced segments are helpful in solving these type of problems. the reason is that advanced segments filters reports based on session level.
Here is how to verify google analytics tracking using google tag assistant and by checking real time reports for current visitors.