Adopt the convention that the 'depthOffsetVS' is always positive

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitData.hlsl

         }
 
         // Since POM "pushes" geometry inwards (rather than extrude it), { height = height - 1 }.
-        return height * maxHeight - maxHeight;
+        // Since the result is used as a 'depthOffsetVS', it needs to be positive, so we flip the sign.
+        return maxHeight - height * maxHeight;
     }
 
     return 0.0;
         }
 
         // Since POM "pushes" geometry inwards (rather than extrude it), { height = height - 1 }.
-        return height * maxHeight - maxHeight;
+        // Since the result is used as a 'depthOffsetVS', it needs to be positive, so we flip the sign.
+        return maxHeight - height * maxHeight;
     }
 
     return 0.0;

Assets/ScriptableRenderPipeline/ShaderLibrary/Common.hlsl

     return positionVS.xyz / positionVS.w;
 }
 
-// depthOffsetVS is always in the direction of the view vector (V)
+// 'depthOffsetVS' is in the direction opposite to the view vector 'V', e.i. away from the camera.
-    posInput.depthVS -= depthOffsetVS;
-
-    // Just add the offset along the view vector is sufficient for world position
-    posInput.positionWS += V * depthOffsetVS;
+    posInput.depthVS    += depthOffsetVS;
+    posInput.positionWS -= depthOffsetVS * V;
 
     float4 positionCS = mul(viewProjMatrix, float4(posInput.positionWS, 1.0));
     posInput.depthRaw = positionCS.z / positionCS.w;