Here is a tutorial to turn off and on the Design Approval Button Feature for designs sent to the internal design queuea. This can be done by a user with admin permissions in V2.
Click settings
Click deal > deal templates
Expand the row by clicking the + Icon next to the deal name, and unlock current deal template by clicking the unlock icon in the top right. Click Continue Editing to edit the current deal template, or click create revision to edit the current deal template, or click create revision to create a new version of the deal template.
Click design requests, and then manage plugin settings at the top of the stage.
Find the "Auto approve designs on submission" setting, and click the box to auto approve for all authorized dealers, or click the dropdown to select certain authorized dealers.
Click save