For the “New Organization Post” trigger, the post’s URL data isn’t available. This is a limitation from LinkedIn API’s end.
The “Post Image URL” field in the “New Organization Post” trigger only reads JPG and PNG image type URLs.
In order to use the “Post Organization Status” action, you need to be a designated admin of the page.
For the “Post Status” and “Post Organization Status” actions, only JPG and PNG image URLs are supported.