
Hi @Johnny Barz , welcome to Q&A forum!
Per my test, I am able to reproduce your issue in my end:
The issue is that if your friendly URL equal to the real site’s URLs (which is not bad because it is possible to switch to structural URLs and your links will still work, because http://example.com/test will be automatically resolved to http://example.com/test/pages/default.aspx), then “Edit SEO properties” command will be disabled.
You could try to use the direct URL. For example, the url is http://example.com/test , change it to http://example.com/test/_layouts/15/SEOProperties.aspx?Source=/test/pages/default.aspx&page=1
Reference:
Problem with SEO properties for pages with friendly URLs in Sharepoint 2013
edit-seo-properties-disabled-in-team
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