Navigate to the WordPress Dashboard and click on the "Appearance" submenu.
Select "Customize" to enter the theme Customizer.
Within the Customizer, locate the "Page Template" option and choose "About Page."
Click on the "About Page" template to access its settings.
Within the About Page customization options, you can:
Hide/Show the About Section.
Add or modify the title, subtitle, description, button label, button link, video link, and image.
Customize the Feature Section by adding icons, feature titles, and descriptions.
Select pages for before and after content changes.
Adjust the Timeline Section by toggling its visibility and changing the title and subtitle.
Modify the timeline content and select pages for before and after content changes.
Hide/Show the Funfact Section and the Process Section.
Make changes to the Header, such as updating the title and subtitle.
Adjust the content of the CTA (Call to Action) Section by hiding or showing it.
These customization options allow you to tailor the About Page to your preferences, ensuring it effectively communicates your brand or message to visitors
For more information check the attachment given below.