If you want to show the author of the course you can use this add-on for Elementor. Once you add it to the post/page, from the configuration menu you will find the following settings.
Content
Profile Picture
Toggle to enable the profile picture thumbnail of the author.
Display Name
Toggle to enable the Author’s display name
Link
Use this drop down to select the link target (between new window and same window)
Layout
Pick between a vertical and horizontal layout. This is a responsive function, so you can edit for different screen sizes.
Alignment
Pick an alignment for the content in this addon.
Style
Image
Size: Pick a size for the profile image. This is a responsive function, so you can edit for different screen sizes.
Gap: Pick a size for the gap in between the profile image and the admin label. This is a responsive function, so you can edit for different screen sizes.
Border Type: Pick a border type for the image.
Border Radius: Pick a border radius for the image. Set 0 for a square image. Add a value to add a rounded square look. You can edit the radius individually and collectively.
Box Shadow: Use this drop-down menu to add a box shadow effect on the image.
Label
Color: Choose the color of the label text from a wide range of colors from the color palette.
Typography: Choose your desired typography from this section of the settings. You can choose between global typography settings and custom typography.
Name
Color: Choose the color of the name text from a wide range of colors from the color palette.
Typography: Choose your desired typography from this section of the settings. You can choose between global typography settings and custom typography.