Similar to changing the paragraph spacing or the line spacing, you can also change the spacing between bullets in the word document. Please see the steps below for details:
Step 1: Select the bullets you need to change the spacing;
Step 2: Right-click and select "Paragraph" from the dialog box;
Step 3: In the "Paragraph" dialog box, click the "Indents and Spacing" tab, then uncheck the box of "Don't add space between paragraphs of the same style";
Step 4: Change the number in the "Spacing" section to adjust the paragraph space or the line space and click "OK" to finish.
Please check "how to change the sign and text space" to adjust the space between the sign and bullets.