Gentlemen, views are unique, but not unique in terms of IP, you can add views to yourself when changing IP, so are your friends, they are watching your page from different IPs, that's all
Because there is a difference in reach and post impressions.
Every time someone views your post, it counts as one impression. One person can view your post multiple times. Basically, impressions are the number of times your post has appeared on the user's screen. But this does not mean that these are unique accounts, since the post can be viewed by one person several times. Also, your post may pop up with your friends' friends, hence additional reach and impressions.
I will add a little to the question.
Vk you can make an entry only for friends. I had 3 friends, but the views were about 15. I decided to check, added a second page as a friend, opened this record from it (also refreshed the page), but nothing was added.
Answer: this poorly performing algorithms, like many things related to VK. Today I haven't even downloaded a Word document to my phone.
Views in VK do not depend on the number of people who viewed this post, they can be added from the same person who has viewed your post many times
If your friends liked you, then your friends' friends could see it. You could also leave comments in communities that interested other users. You can also be tagged on the photos of your 10 friends, and some of the people who are friends of the person who tagged you in the photo, it might be interesting what you are about.