When sending an email from Power Automate, the links aren't hyperlinked when viewing in Outlook Online, if there is other non-hyperlink text in the body of the email.
The links are clickable from the desktop version of Outlook.
This is Outlook Online, when only the link was sent in the email. It is clickable:
This is Outlook Online when there is some text in front of the link, it is not clickable:
The exact same email viewed from Desktop Outlook, the link is clickable:
Here are pictures of the (very simple) flows I created to duplicate this issue: