Ambient occlusion looking dark

I created a 3d model of chair, using blender and textures and baked the maps in substance painter. but when exporting the gltf from blender the ambient occlusion is looking dark nearly black.

can anyone help me with this?

Click for image

the gltf file in modelviewer

You’ll need to share as much detail as possible for others to help, including the complete material settings from Blender, and any files you can share, e.g. .blend or .glb. Posting on or would a good option to have more Blender users see your question.