Hi there,
Thanks for reaching out. While sharing a master document, as of now, we don't have an option to manage access writes which can limit the user's to edit the document. I'd request you to please upvote this request to add voice to this feature: https://adobexd.uservoice.com/forums/353007-adobe-xd-feature-requests/suggestions/37795420-manage-access-rights-for-cloud-documents-view-onl
As a workaround, I'd recommend using the CC library. You can import all your components in a CC library. Then you can share it with the members of your team. With this approach, you can set permissions (edit, read-only). This way your team can work with the elements without breaking the consistency. But, doing so, if you want to update an element inside the library, you have to delete it and re-import the updated one.
Feel free to reach out to us if you have any further questions.
Regards
Rishabh