In the Moodle course, click on the online text assignment which created for student to submit the secret link of their ePortfolio.

At the top right corner of the screen, click on:

"View * submitted assignments"

(* Please note that the number of assignments submitted will show here. For example, if 20 students have submitted the assignments, then it will be "View 20 submitted assignments")

Click on the student submission link

A pop-up appears, Click on the secret link to access the ePortfolio OR copy the link and paste it on the address bar of your  browser to access.