Hi Charlie
Yes, you can use the testimonial on other pages of your site for this you need to follow the below steps.
1. Copy the link code https://pastebin.com/jzrjV0Qa
2. And create a new page and paste this code in the code editor see the screenshot http://prntscr.com/tsy1tr
3. And also paste the below CSS code in Additional CSS box.
.page .theme-testimonial-block .thumbnail {
margin: 0 auto 2rem;
width: 6.25rem !important;
height: 6.25rem !important;
position: relative;
}
Let me know if it works.
Thanks