These commands can only be accessed after you enable support for Asian languages in Collabora Office - PreferencesTools - Options - Language Settings - Languages.
Font Position
Position
Specify the position, scaling, rotation, and spacing for characters.
Set the typographic options for cells or paragraphs in Asian language files. To enable Asian language support, choose Language Settings - Languages in the Options dialog box, and then select the Enabled box in the Asian language support area. The Asian typography options are ignored in HTML documents.