I’m interested in learning about a few important things

There is a very extensive roadmap, basically everything you need to know about Adobe Stock, in the help pages 

https://helpx.adobe.com/support/stock-contributor.html

Photoshop files must be flattened and exported to jpg before uploading.

If you're speaking about templates, one needs to be invited by Adobe to submit such assets. How to get invited is unknown.

As a contributor, I can only upload AI, vector, and PNG files from the Adobe Stock dashboard. But when I visit the marketplace, I see Photoshop files, InDesign files, and others — yet these can’t be uploaded from our dashboard.

Also, when I upload something like a flower design, I can’t use images in it. Overall, I want to sell Photoshop and InDesign files as well. So, could you please explain how I can upload those types of files? A roadmap would really help me. Thank you.

As a contributor, I can only upload AI, vector, and PNG files from the Adobe Stock dashboard. But when I visit the marketplace, I see Photoshop files, InDesign files, and others — yet these can’t be uploaded from our dashboard.

Also, when I upload something like a flower design, I can’t use images in it. Overall, I want to sell Photoshop and InDesign files as well. So, could you please explain how I can upload those types of files? A roadmap would really help me. Thank you.