What kind of cameras and sign-in support does this Surface Pro include?

It includes a Quad HD front-facing Surface Studio Camera, a 10 MP Ultra HD rear-facing camera, and Windows Hello face authentication.

Does this Surface Pro have a touchscreen, and what is the display resolution?

Yes, it has a 13-inch 10-point multi-touch touchscreen with a resolution of 2880 x 1920.

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Microsoft Surface Pro 13" 12th Edition - Qualcomm Snapdragon X2 Plus - 32 GB - 256 GB SSD - Windows 11 Pro - Webcam - Wi-Fi 7 - EP2-61556