The normal file viewer shows the diagram properly.
The users can access the files.
[SPLoaderError.loadComponentError]:
Failed to load component "eaf98c51-0b5e-4ab0-9eca-139671d32cf5" (DiagramFrameWebPart). Original error: Failed to load path dependency "VisioEmbed" from component "eaf98c51-0b5e-4ab0-9eca-139671d32cf5" (DiagramFrameWebPart).
Original error: Error loading https://component-id.invalid/eaf98c51-0b5e-4ab0-9eca-139671d32cf5_1.1.518/VisioEmbed
Unable to load script https://xxxx.sharepoint.com/sites/appcatalog/ClientSideAssets/bc8110d6-2d34-408e-98c5-7f32eab887cb/VisioEmbed_ccd8741a4a94e352df480c03932c34e6.js
INNER ERROR:
Failed to load path dependency "VisioEmbed" from component "eaf98c51-0b5e-4ab0-9eca-139671d32cf5" (DiagramFrameWebPart).
Original error: Error loading https://component-id.invalid/eaf98c51-0b5e-4ab0-9eca-139671d32cf5_1.1.518/VisioEmbed
Unable to load script https://xxxx.sharepoint.com/sites/appcatalog/ClientSideAssets/bc8110d6-2d34-408e-98c5-7f32eab887cb/VisioEmbed_ccd8741a4a94e352df480c03932c34e6.js
CALLSTACK:
/sp-pages-assembly_en-us_a9e2d3d0797b2c18fb68f25a6d44b260.js:70:540641
/files/sp-client/sp-pages-assembly_en-us_a9e2d3d0797b2c18fb68f25a6d44b260.js:70:799098
/files/sp-client/sp-pages-assembly_en-us_a9e2d3d0797b2c18fb68f25a6d44b260.js:70:836407
/files/sp-client/sp-pages-assembly_en-us_a9e2d3d0797b2c18fb68f25a6d44b260.js:70:832498
/files/sp-client/chunk.systemjs-component-loader_en-us_c9d296eaa8490acee6b3.js:1:6036`