Issue

If you have deployed ShortPoint to site collection level and you want to add ShortPoint to any of your subsite's modern page, however, you can't find ShortPoint webpart to add there, this article is for you. 

Solution

To fix this problem, you only have to add ShortPoint SPFx app to your site content in order to see the webpart to your subsite's modern page. There is no need to install ShortPoint from ShortPoint Dashboard in subsite. Here is all you need to do:

That's it! Now you will see ShortPoint webpart to your subsite's modern pages.

Note: above step needs to be performed for each subsite where you would wish to use ShortPoint on modern pages.

Thank you for your attention!