How can I stop cloud uploads?

open the adobe program that you want to control auto-save, and click > edit > preferences > file handling (or auto-save) and untick the saves etc you do not want.

and when using save as.., don't select your cc file folder

File Sync Links that may help... all the links I have, since I don't know the cause of your specific problem
-NOTE that I do not use cloud storage, so these links are saved from reading previous discussions
-About cloud storage https://helpx.adobe.com/creative-cloud/help/about-cloud-documents.html
-https://helpx.adobe.com/in/creative-cloud/help/delete-files-permanently.html
-FAQ https://community.adobe.com/t5/Get-Started/Helpful-Links-FAQ-Where-can-I-find-links-about-managing-and/td-p/7570118
-http://helpx.adobe.com/creative-cloud/help/sync-settings.html
-http://helpx.adobe.com/creative-cloud/kb/arent-my-files-syncing.html
-sync and email link https://community.adobe.com/t5/Get-Started/Email-link-of-file-in-personal-CC-folder/td-p/5944719
-an overview of assets https://assets.adobe.com/files
-File sharing https://community.adobe.com/t5/Get-Started/Does-Creative-Cloud-support-sharing-videos/td-p/7113392

Be sure to remain signed in with your Adobe ID before accessing the support link
Do be aware that Adobe's staffing is impacted by the virus, so wait times are long
-you MUST make sure that your browser does NOT block ads, scripts, or pop-ups
-you MUST also allow 'cookies' in your web browser for the link to work
This link will go directly to the chat option
Type "Agent" in the chat box to bypass the chatbot and be connected to a person
-Meaning type in the word Agent without the quote " " marks
https://helpx.adobe.com/contact.html?rghtup=autoOpen
- or by telephone https://helpx.adobe.com/contact/phone.html
.
Adobe does NOT do support by email, so beware of answering anyone who sends you a private message
-click for more information about scammers https://tinyurl.com/10791730