[edit] Overleaf guides

[edit] LaTeX Basics

[edit] Mathematics

[edit] Figures and tables

[edit] References and Citations

[edit] Languages

[edit] Document structure

[edit] Formatting

[edit] Fonts

[edit] Presentations

[edit] Commands

[edit] Field specific

[edit] Class files

Yes, you can choose whether the auto-complete feature will also auto-close brackets by using the settings menu in the editor.

Click the 'gear' icon in the top right to open the settings modal, and un-tick the box labelled 'Auto-Close Brackets' to disable this feature

Overleaf Gallery Publish Menu Screenshot

Note: this won't affect any of the other auto-complete functions; these will continue to work normally.